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Finding the Fourth Proportional to 12,000.77, 16,560.93 and 6,623.25

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Solution

The fourth proportional to 12,000.77, 16,560.93 and 6,623.25 is: 9,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.77 : 16,560.93 = 6,623.25 : x
  2. Step 2: Convert to fraction form
    12,000.77/16,560.93 = 6,623.25/x
  3. Step 3: Cross multiply
    12,000.77x = 16,560.93 × 6,623.25
  4. Step 4: Simplify right side
    12,000.77x = 109,687,179.62
  5. Step 5: Solve for x
    x = 109,687,179.62/12,000.77
  6. Step 6: Final answer
    x = 9,140.02

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.