Home / 19,710.30-29,565.45-12,323.10

Finding the Fourth Proportional to 19,710.30, 29,565.45 and 12,323.10

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Solution

The fourth proportional to 19,710.30, 29,565.45 and 12,323.10 is: 18,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.30 : 29,565.45 = 12,323.10 : x
  2. Step 2: Convert to fraction form
    19,710.30/29,565.45 = 12,323.10/x
  3. Step 3: Cross multiply
    19,710.30x = 29,565.45 × 12,323.10
  4. Step 4: Simplify right side
    19,710.30x = 364,337,996.90
  5. Step 5: Solve for x
    x = 364,337,996.90/19,710.30
  6. Step 6: Final answer
    x = 18,484.65

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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.