Home / 13,614.90-20,424.18-13,370.68

Finding the Fourth Proportional to 13,614.90, 20,424.18 and 13,370.68

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Solution

The fourth proportional to 13,614.90, 20,424.18 and 13,370.68 is: 20,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.90 : 20,424.18 = 13,370.68 : x
  2. Step 2: Convert to fraction form
    13,614.90/20,424.18 = 13,370.68/x
  3. Step 3: Cross multiply
    13,614.90x = 20,424.18 × 13,370.68
  4. Step 4: Simplify right side
    13,614.90x = 273,085,175.04
  5. Step 5: Solve for x
    x = 273,085,175.04/13,614.90
  6. Step 6: Final answer
    x = 20,057.82

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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.