Home / 14,442.28-19,934.50-8,474.20

Finding the Fourth Proportional to 14,442.28, 19,934.50 and 8,474.20

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Solution

The fourth proportional to 14,442.28, 19,934.50 and 8,474.20 is: 11,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.28 : 19,934.50 = 8,474.20 : x
  2. Step 2: Convert to fraction form
    14,442.28/19,934.50 = 8,474.20/x
  3. Step 3: Cross multiply
    14,442.28x = 19,934.50 × 8,474.20
  4. Step 4: Simplify right side
    14,442.28x = 168,928,939.90
  5. Step 5: Solve for x
    x = 168,928,939.90/14,442.28
  6. Step 6: Final answer
    x = 11,696.83

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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.