Home / 22,246.36-30,699.08-13,298.80

Finding the Fourth Proportional to 22,246.36, 30,699.08 and 13,298.80

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Solution

The fourth proportional to 22,246.36, 30,699.08 and 13,298.80 is: 18,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.36 : 30,699.08 = 13,298.80 : x
  2. Step 2: Convert to fraction form
    22,246.36/30,699.08 = 13,298.80/x
  3. Step 3: Cross multiply
    22,246.36x = 30,699.08 × 13,298.80
  4. Step 4: Simplify right side
    22,246.36x = 408,260,925.10
  5. Step 5: Solve for x
    x = 408,260,925.10/22,246.36
  6. Step 6: Final answer
    x = 18,351.81

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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.