Home / 20,414.84-28,177.07-13,337.19

Finding the Fourth Proportional to 20,414.84, 28,177.07 and 13,337.19

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Solution

The fourth proportional to 20,414.84, 28,177.07 and 13,337.19 is: 18,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.84 : 28,177.07 = 13,337.19 : x
  2. Step 2: Convert to fraction form
    20,414.84/28,177.07 = 13,337.19/x
  3. Step 3: Cross multiply
    20,414.84x = 28,177.07 × 13,337.19
  4. Step 4: Simplify right side
    20,414.84x = 375,802,869.55
  5. Step 5: Solve for x
    x = 375,802,869.55/20,414.84
  6. Step 6: Final answer
    x = 18,408.32

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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.