Home / 10,588.60-15,890.20-3,663.10

Finding the Fourth Proportional to 10,588.60, 15,890.20 and 3,663.10

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Solution

The fourth proportional to 10,588.60, 15,890.20 and 3,663.10 is: 5,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.60 : 15,890.20 = 3,663.10 : x
  2. Step 2: Convert to fraction form
    10,588.60/15,890.20 = 3,663.10/x
  3. Step 3: Cross multiply
    10,588.60x = 15,890.20 × 3,663.10
  4. Step 4: Simplify right side
    10,588.60x = 58,207,391.62
  5. Step 5: Solve for x
    x = 58,207,391.62/10,588.60
  6. Step 6: Final answer
    x = 5,497.18

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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.