Home / 15,947.79-23,921.70-7,625.85

Finding the Fourth Proportional to 15,947.79, 23,921.70 and 7,625.85

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Solution

The fourth proportional to 15,947.79, 23,921.70 and 7,625.85 is: 11,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.79 : 23,921.70 = 7,625.85 : x
  2. Step 2: Convert to fraction form
    15,947.79/23,921.70 = 7,625.85/x
  3. Step 3: Cross multiply
    15,947.79x = 23,921.70 × 7,625.85
  4. Step 4: Simplify right side
    15,947.79x = 182,423,295.95
  5. Step 5: Solve for x
    x = 182,423,295.95/15,947.79
  6. Step 6: Final answer
    x = 11,438.78

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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.