Home / 17,691.28-26,454.89-13,697.27

Finding the Fourth Proportional to 17,691.28, 26,454.89 and 13,697.27

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Solution

The fourth proportional to 17,691.28, 26,454.89 and 13,697.27 is: 20,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.28 : 26,454.89 = 13,697.27 : x
  2. Step 2: Convert to fraction form
    17,691.28/26,454.89 = 13,697.27/x
  3. Step 3: Cross multiply
    17,691.28x = 26,454.89 × 13,697.27
  4. Step 4: Simplify right side
    17,691.28x = 362,359,673.12
  5. Step 5: Solve for x
    x = 362,359,673.12/17,691.28
  6. Step 6: Final answer
    x = 20,482.39

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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.