Home / 13,934.29-19,229.31-7,966.09

Finding the Fourth Proportional to 13,934.29, 19,229.31 and 7,966.09

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Solution

The fourth proportional to 13,934.29, 19,229.31 and 7,966.09 is: 10,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.29 : 19,229.31 = 7,966.09 : x
  2. Step 2: Convert to fraction form
    13,934.29/19,229.31 = 7,966.09/x
  3. Step 3: Cross multiply
    13,934.29x = 19,229.31 × 7,966.09
  4. Step 4: Simplify right side
    13,934.29x = 153,182,414.10
  5. Step 5: Solve for x
    x = 153,182,414.10/13,934.29
  6. Step 6: Final answer
    x = 10,993.20

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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.