Home / 15,639.16-23,456.56-3,951.64

Finding the Fourth Proportional to 15,639.16, 23,456.56 and 3,951.64

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Solution

The fourth proportional to 15,639.16, 23,456.56 and 3,951.64 is: 5,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.16 : 23,456.56 = 3,951.64 : x
  2. Step 2: Convert to fraction form
    15,639.16/23,456.56 = 3,951.64/x
  3. Step 3: Cross multiply
    15,639.16x = 23,456.56 × 3,951.64
  4. Step 4: Simplify right side
    15,639.16x = 92,691,880.76
  5. Step 5: Solve for x
    x = 92,691,880.76/15,639.16
  6. Step 6: Final answer
    x = 5,926.91

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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.