Home / 13,691.15-20,539.25-4,333.52

Finding the Fourth Proportional to 13,691.15, 20,539.25 and 4,333.52

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Solution

The fourth proportional to 13,691.15, 20,539.25 and 4,333.52 is: 6,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.15 : 20,539.25 = 4,333.52 : x
  2. Step 2: Convert to fraction form
    13,691.15/20,539.25 = 4,333.52/x
  3. Step 3: Cross multiply
    13,691.15x = 20,539.25 × 4,333.52
  4. Step 4: Simplify right side
    13,691.15x = 89,007,126.30
  5. Step 5: Solve for x
    x = 89,007,126.30/13,691.15
  6. Step 6: Final answer
    x = 6,501.07

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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.