Home / 11,572.20-17,358.30-8,656.20

Finding the Fourth Proportional to 11,572.20, 17,358.30 and 8,656.20

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Solution

The fourth proportional to 11,572.20, 17,358.30 and 8,656.20 is: 12,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.20 : 17,358.30 = 8,656.20 : x
  2. Step 2: Convert to fraction form
    11,572.20/17,358.30 = 8,656.20/x
  3. Step 3: Cross multiply
    11,572.20x = 17,358.30 × 8,656.20
  4. Step 4: Simplify right side
    11,572.20x = 150,256,916.46
  5. Step 5: Solve for x
    x = 150,256,916.46/11,572.20
  6. Step 6: Final answer
    x = 12,984.30

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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.