Home / 10,342.38-15,508.76-3,321.10

Finding the Fourth Proportional to 10,342.38, 15,508.76 and 3,321.10

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Solution

The fourth proportional to 10,342.38, 15,508.76 and 3,321.10 is: 4,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.38 : 15,508.76 = 3,321.10 : x
  2. Step 2: Convert to fraction form
    10,342.38/15,508.76 = 3,321.10/x
  3. Step 3: Cross multiply
    10,342.38x = 15,508.76 × 3,321.10
  4. Step 4: Simplify right side
    10,342.38x = 51,506,142.84
  5. Step 5: Solve for x
    x = 51,506,142.84/10,342.38
  6. Step 6: Final answer
    x = 4,980.11

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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.