Home / 15,959.57-23,872.68-11,215.40

Finding the Fourth Proportional to 15,959.57, 23,872.68 and 11,215.40

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Solution

The fourth proportional to 15,959.57, 23,872.68 and 11,215.40 is: 16,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.57 : 23,872.68 = 11,215.40 : x
  2. Step 2: Convert to fraction form
    15,959.57/23,872.68 = 11,215.40/x
  3. Step 3: Cross multiply
    15,959.57x = 23,872.68 × 11,215.40
  4. Step 4: Simplify right side
    15,959.57x = 267,741,655.27
  5. Step 5: Solve for x
    x = 267,741,655.27/15,959.57
  6. Step 6: Final answer
    x = 16,776.24

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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.