Home / 11,461.20-17,158.20-8,552.40

Finding the Fourth Proportional to 11,461.20, 17,158.20 and 8,552.40

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Solution

The fourth proportional to 11,461.20, 17,158.20 and 8,552.40 is: 12,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.20 : 17,158.20 = 8,552.40 : x
  2. Step 2: Convert to fraction form
    11,461.20/17,158.20 = 8,552.40/x
  3. Step 3: Cross multiply
    11,461.20x = 17,158.20 × 8,552.40
  4. Step 4: Simplify right side
    11,461.20x = 146,743,789.68
  5. Step 5: Solve for x
    x = 146,743,789.68/11,461.20
  6. Step 6: Final answer
    x = 12,803.53

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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.