Home / 14,082.24-19,411.20-10,939.44

Finding the Fourth Proportional to 14,082.24, 19,411.20 and 10,939.44

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Solution

The fourth proportional to 14,082.24, 19,411.20 and 10,939.44 is: 15,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.24 : 19,411.20 = 10,939.44 : x
  2. Step 2: Convert to fraction form
    14,082.24/19,411.20 = 10,939.44/x
  3. Step 3: Cross multiply
    14,082.24x = 19,411.20 × 10,939.44
  4. Step 4: Simplify right side
    14,082.24x = 212,347,657.73
  5. Step 5: Solve for x
    x = 212,347,657.73/14,082.24
  6. Step 6: Final answer
    x = 15,079.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.