Home / 13,764.48-18,984.40-9,281.13

Finding the Fourth Proportional to 13,764.48, 18,984.40 and 9,281.13

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Solution

The fourth proportional to 13,764.48, 18,984.40 and 9,281.13 is: 12,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.48 : 18,984.40 = 9,281.13 : x
  2. Step 2: Convert to fraction form
    13,764.48/18,984.40 = 9,281.13/x
  3. Step 3: Cross multiply
    13,764.48x = 18,984.40 × 9,281.13
  4. Step 4: Simplify right side
    13,764.48x = 176,196,684.37
  5. Step 5: Solve for x
    x = 176,196,684.37/13,764.48
  6. Step 6: Final answer
    x = 12,800.82

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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.