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Finding the Fourth Proportional to 15,217.10, 22,825.65 and 9,968.30

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Solution

The fourth proportional to 15,217.10, 22,825.65 and 9,968.30 is: 14,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.10 : 22,825.65 = 9,968.30 : x
  2. Step 2: Convert to fraction form
    15,217.10/22,825.65 = 9,968.30/x
  3. Step 3: Cross multiply
    15,217.10x = 22,825.65 × 9,968.30
  4. Step 4: Simplify right side
    15,217.10x = 227,532,926.90
  5. Step 5: Solve for x
    x = 227,532,926.90/15,217.10
  6. Step 6: Final answer
    x = 14,952.45

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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.