Home / 15,017.28-22,520.25-6,689.13

Finding the Fourth Proportional to 15,017.28, 22,520.25 and 6,689.13

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Solution

The fourth proportional to 15,017.28, 22,520.25 and 6,689.13 is: 10,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.28 : 22,520.25 = 6,689.13 : x
  2. Step 2: Convert to fraction form
    15,017.28/22,520.25 = 6,689.13/x
  3. Step 3: Cross multiply
    15,017.28x = 22,520.25 × 6,689.13
  4. Step 4: Simplify right side
    15,017.28x = 150,640,879.88
  5. Step 5: Solve for x
    x = 150,640,879.88/15,017.28
  6. Step 6: Final answer
    x = 10,031.17

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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.