Home / 15,510.30-23,265.45-5,123.10

Finding the Fourth Proportional to 15,510.30, 23,265.45 and 5,123.10

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Solution

The fourth proportional to 15,510.30, 23,265.45 and 5,123.10 is: 7,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.30 : 23,265.45 = 5,123.10 : x
  2. Step 2: Convert to fraction form
    15,510.30/23,265.45 = 5,123.10/x
  3. Step 3: Cross multiply
    15,510.30x = 23,265.45 × 5,123.10
  4. Step 4: Simplify right side
    15,510.30x = 119,191,226.90
  5. Step 5: Solve for x
    x = 119,191,226.90/15,510.30
  6. Step 6: Final answer
    x = 7,684.65

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Half scale
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Double scale
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Similar ratio
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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.