Home / 15,638.71-23,458.14-3,951.94

Finding the Fourth Proportional to 15,638.71, 23,458.14 and 3,951.94

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Solution

The fourth proportional to 15,638.71, 23,458.14 and 3,951.94 is: 5,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.71 : 23,458.14 = 3,951.94 : x
  2. Step 2: Convert to fraction form
    15,638.71/23,458.14 = 3,951.94/x
  3. Step 3: Cross multiply
    15,638.71x = 23,458.14 × 3,951.94
  4. Step 4: Simplify right side
    15,638.71x = 92,705,024.74
  5. Step 5: Solve for x
    x = 92,705,024.74/15,638.71
  6. Step 6: Final answer
    x = 5,927.92

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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.