Home / 22,309.07-30,775.88-13,354.85

Finding the Fourth Proportional to 22,309.07, 30,775.88 and 13,354.85

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Solution

The fourth proportional to 22,309.07, 30,775.88 and 13,354.85 is: 18,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.07 : 30,775.88 = 13,354.85 : x
  2. Step 2: Convert to fraction form
    22,309.07/30,775.88 = 13,354.85/x
  3. Step 3: Cross multiply
    22,309.07x = 30,775.88 × 13,354.85
  4. Step 4: Simplify right side
    22,309.07x = 411,007,040.36
  5. Step 5: Solve for x
    x = 411,007,040.36/22,309.07
  6. Step 6: Final answer
    x = 18,423.32

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Half scale
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Double scale
Find fourth proportional to 22,310.07, 30,777.25 and 13,355.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.