Home / 11,437.90-17,157.46-3,545.87

Finding the Fourth Proportional to 11,437.90, 17,157.46 and 3,545.87

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Solution

The fourth proportional to 11,437.90, 17,157.46 and 3,545.87 is: 5,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.90 : 17,157.46 = 3,545.87 : x
  2. Step 2: Convert to fraction form
    11,437.90/17,157.46 = 3,545.87/x
  3. Step 3: Cross multiply
    11,437.90x = 17,157.46 × 3,545.87
  4. Step 4: Simplify right side
    11,437.90x = 60,838,092.91
  5. Step 5: Solve for x
    x = 60,838,092.91/11,437.90
  6. Step 6: Final answer
    x = 5,318.99

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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.