Home / 13,400.13-20,097.45-5,077.29

Finding the Fourth Proportional to 13,400.13, 20,097.45 and 5,077.29

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Solution

The fourth proportional to 13,400.13, 20,097.45 and 5,077.29 is: 7,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.13 : 20,097.45 = 5,077.29 : x
  2. Step 2: Convert to fraction form
    13,400.13/20,097.45 = 5,077.29/x
  3. Step 3: Cross multiply
    13,400.13x = 20,097.45 × 5,077.29
  4. Step 4: Simplify right side
    13,400.13x = 102,040,581.91
  5. Step 5: Solve for x
    x = 102,040,581.91/13,400.13
  6. Step 6: Final answer
    x = 7,614.89

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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.