Home / 9,915.38-14,873.16-3,251.78

Finding the Fourth Proportional to 9,915.38, 14,873.16 and 3,251.78

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Solution

The fourth proportional to 9,915.38, 14,873.16 and 3,251.78 is: 4,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.38 : 14,873.16 = 3,251.78 : x
  2. Step 2: Convert to fraction form
    9,915.38/14,873.16 = 3,251.78/x
  3. Step 3: Cross multiply
    9,915.38x = 14,873.16 × 3,251.78
  4. Step 4: Simplify right side
    9,915.38x = 48,364,244.22
  5. Step 5: Solve for x
    x = 48,364,244.22/9,915.38
  6. Step 6: Final answer
    x = 4,877.70

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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.