Home / 10,442.68-15,663.98-2,545.10

Finding the Fourth Proportional to 10,442.68, 15,663.98 and 2,545.10

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Solution

The fourth proportional to 10,442.68, 15,663.98 and 2,545.10 is: 3,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.68 : 15,663.98 = 2,545.10 : x
  2. Step 2: Convert to fraction form
    10,442.68/15,663.98 = 2,545.10/x
  3. Step 3: Cross multiply
    10,442.68x = 15,663.98 × 2,545.10
  4. Step 4: Simplify right side
    10,442.68x = 39,866,382.77
  5. Step 5: Solve for x
    x = 39,866,382.77/10,442.68
  6. Step 6: Final answer
    x = 3,817.64

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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.