Home / 15,964.50-23,778.12-15,131.82

Finding the Fourth Proportional to 15,964.50, 23,778.12 and 15,131.82

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Solution

The fourth proportional to 15,964.50, 23,778.12 and 15,131.82 is: 22,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.50 : 23,778.12 = 15,131.82 : x
  2. Step 2: Convert to fraction form
    15,964.50/23,778.12 = 15,131.82/x
  3. Step 3: Cross multiply
    15,964.50x = 23,778.12 × 15,131.82
  4. Step 4: Simplify right side
    15,964.50x = 359,806,231.78
  5. Step 5: Solve for x
    x = 359,806,231.78/15,964.50
  6. Step 6: Final answer
    x = 22,537.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.