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Finding the Fourth Proportional to 11,064.90, 16,560.90 and 9,752.70

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Solution

The fourth proportional to 11,064.90, 16,560.90 and 9,752.70 is: 14,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.90 : 16,560.90 = 9,752.70 : x
  2. Step 2: Convert to fraction form
    11,064.90/16,560.90 = 9,752.70/x
  3. Step 3: Cross multiply
    11,064.90x = 16,560.90 × 9,752.70
  4. Step 4: Simplify right side
    11,064.90x = 161,513,489.43
  5. Step 5: Solve for x
    x = 161,513,489.43/11,064.90
  6. Step 6: Final answer
    x = 14,596.92

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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.