Home / 9,938.13-13,711.62-5,957.79

Finding the Fourth Proportional to 9,938.13, 13,711.62 and 5,957.79

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Solution

The fourth proportional to 9,938.13, 13,711.62 and 5,957.79 is: 8,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.13 : 13,711.62 = 5,957.79 : x
  2. Step 2: Convert to fraction form
    9,938.13/13,711.62 = 5,957.79/x
  3. Step 3: Cross multiply
    9,938.13x = 13,711.62 × 5,957.79
  4. Step 4: Simplify right side
    9,938.13x = 81,690,952.52
  5. Step 5: Solve for x
    x = 81,690,952.52/9,938.13
  6. Step 6: Final answer
    x = 8,219.95

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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.