Home / 23,131.30-34,672.10-9,989.86

Finding the Fourth Proportional to 23,131.30, 34,672.10 and 9,989.86

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Solution

The fourth proportional to 23,131.30, 34,672.10 and 9,989.86 is: 14,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.30 : 34,672.10 = 9,989.86 : x
  2. Step 2: Convert to fraction form
    23,131.30/34,672.10 = 9,989.86/x
  3. Step 3: Cross multiply
    23,131.30x = 34,672.10 × 9,989.86
  4. Step 4: Simplify right side
    23,131.30x = 346,369,424.91
  5. Step 5: Solve for x
    x = 346,369,424.91/23,131.30
  6. Step 6: Final answer
    x = 14,974.06

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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.