Home / 15,960.96-23,995.50-12,862.72

Finding the Fourth Proportional to 15,960.96, 23,995.50 and 12,862.72

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Solution

The fourth proportional to 15,960.96, 23,995.50 and 12,862.72 is: 19,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.96 : 23,995.50 = 12,862.72 : x
  2. Step 2: Convert to fraction form
    15,960.96/23,995.50 = 12,862.72/x
  3. Step 3: Cross multiply
    15,960.96x = 23,995.50 × 12,862.72
  4. Step 4: Simplify right side
    15,960.96x = 308,647,397.76
  5. Step 5: Solve for x
    x = 308,647,397.76/15,960.96
  6. Step 6: Final answer
    x = 19,337.65

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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.