Home / 18,318.04-25,278.78-9,934.52

Finding the Fourth Proportional to 18,318.04, 25,278.78 and 9,934.52

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Solution

The fourth proportional to 18,318.04, 25,278.78 and 9,934.52 is: 13,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.04 : 25,278.78 = 9,934.52 : x
  2. Step 2: Convert to fraction form
    18,318.04/25,278.78 = 9,934.52/x
  3. Step 3: Cross multiply
    18,318.04x = 25,278.78 × 9,934.52
  4. Step 4: Simplify right side
    18,318.04x = 251,132,545.49
  5. Step 5: Solve for x
    x = 251,132,545.49/18,318.04
  6. Step 6: Final answer
    x = 13,709.58

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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.