Home / 12,934.28-19,429.07-9,260.12

Finding the Fourth Proportional to 12,934.28, 19,429.07 and 9,260.12

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Solution

The fourth proportional to 12,934.28, 19,429.07 and 9,260.12 is: 13,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.28 : 19,429.07 = 9,260.12 : x
  2. Step 2: Convert to fraction form
    12,934.28/19,429.07 = 9,260.12/x
  3. Step 3: Cross multiply
    12,934.28x = 19,429.07 × 9,260.12
  4. Step 4: Simplify right side
    12,934.28x = 179,915,521.96
  5. Step 5: Solve for x
    x = 179,915,521.96/12,934.28
  6. Step 6: Final answer
    x = 13,909.97

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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.