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Finding the Fourth Proportional to 10,952.76, 15,076.80 and 9,553.08

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Solution

The fourth proportional to 10,952.76, 15,076.80 and 9,553.08 is: 13,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.76 : 15,076.80 = 9,553.08 : x
  2. Step 2: Convert to fraction form
    10,952.76/15,076.80 = 9,553.08/x
  3. Step 3: Cross multiply
    10,952.76x = 15,076.80 × 9,553.08
  4. Step 4: Simplify right side
    10,952.76x = 144,029,876.54
  5. Step 5: Solve for x
    x = 144,029,876.54/10,952.76
  6. Step 6: Final answer
    x = 13,150.10

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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.