Home / 13,425.01-20,135.93-3,565.04

Finding the Fourth Proportional to 13,425.01, 20,135.93 and 3,565.04

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Solution

The fourth proportional to 13,425.01, 20,135.93 and 3,565.04 is: 5,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.01 : 20,135.93 = 3,565.04 : x
  2. Step 2: Convert to fraction form
    13,425.01/20,135.93 = 3,565.04/x
  3. Step 3: Cross multiply
    13,425.01x = 20,135.93 × 3,565.04
  4. Step 4: Simplify right side
    13,425.01x = 71,785,277.38
  5. Step 5: Solve for x
    x = 71,785,277.38/13,425.01
  6. Step 6: Final answer
    x = 5,347.13

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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.