Home / 13,591.82-18,747.23-13,134.62

Finding the Fourth Proportional to 13,591.82, 18,747.23 and 13,134.62

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Solution

The fourth proportional to 13,591.82, 18,747.23 and 13,134.62 is: 18,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.82 : 18,747.23 = 13,134.62 : x
  2. Step 2: Convert to fraction form
    13,591.82/18,747.23 = 13,134.62/x
  3. Step 3: Cross multiply
    13,591.82x = 18,747.23 × 13,134.62
  4. Step 4: Simplify right side
    13,591.82x = 246,237,681.20
  5. Step 5: Solve for x
    x = 246,237,681.20/13,591.82
  6. Step 6: Final answer
    x = 18,116.61

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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.