Home / 15,489.30-23,234.84-4,395.12

Finding the Fourth Proportional to 15,489.30, 23,234.84 and 4,395.12

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Solution

The fourth proportional to 15,489.30, 23,234.84 and 4,395.12 is: 6,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.30 : 23,234.84 = 4,395.12 : x
  2. Step 2: Convert to fraction form
    15,489.30/23,234.84 = 4,395.12/x
  3. Step 3: Cross multiply
    15,489.30x = 23,234.84 × 4,395.12
  4. Step 4: Simplify right side
    15,489.30x = 102,119,909.98
  5. Step 5: Solve for x
    x = 102,119,909.98/15,489.30
  6. Step 6: Final answer
    x = 6,592.93

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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.