Home / 10,590.52-15,885.96-3,665.20

Finding the Fourth Proportional to 10,590.52, 15,885.96 and 3,665.20

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Solution

The fourth proportional to 10,590.52, 15,885.96 and 3,665.20 is: 5,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.52 : 15,885.96 = 3,665.20 : x
  2. Step 2: Convert to fraction form
    10,590.52/15,885.96 = 3,665.20/x
  3. Step 3: Cross multiply
    10,590.52x = 15,885.96 × 3,665.20
  4. Step 4: Simplify right side
    10,590.52x = 58,225,220.59
  5. Step 5: Solve for x
    x = 58,225,220.59/10,590.52
  6. Step 6: Final answer
    x = 5,497.86

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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.