Home / 18,337.75-25,306.64-9,954.79

Finding the Fourth Proportional to 18,337.75, 25,306.64 and 9,954.79

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Solution

The fourth proportional to 18,337.75, 25,306.64 and 9,954.79 is: 13,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.75 : 25,306.64 = 9,954.79 : x
  2. Step 2: Convert to fraction form
    18,337.75/25,306.64 = 9,954.79/x
  3. Step 3: Cross multiply
    18,337.75x = 25,306.64 × 9,954.79
  4. Step 4: Simplify right side
    18,337.75x = 251,922,286.81
  5. Step 5: Solve for x
    x = 251,922,286.81/18,337.75
  6. Step 6: Final answer
    x = 13,737.91

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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.