Home / 15,200.70-22,801.05-13,386.30

Finding the Fourth Proportional to 15,200.70, 22,801.05 and 13,386.30

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Solution

The fourth proportional to 15,200.70, 22,801.05 and 13,386.30 is: 20,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.70 : 22,801.05 = 13,386.30 : x
  2. Step 2: Convert to fraction form
    15,200.70/22,801.05 = 13,386.30/x
  3. Step 3: Cross multiply
    15,200.70x = 22,801.05 × 13,386.30
  4. Step 4: Simplify right side
    15,200.70x = 305,221,695.62
  5. Step 5: Solve for x
    x = 305,221,695.62/15,200.70
  6. Step 6: Final answer
    x = 20,079.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.