Home / 11,523.50-17,285.28-7,816.56

Finding the Fourth Proportional to 11,523.50, 17,285.28 and 7,816.56

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Solution

The fourth proportional to 11,523.50, 17,285.28 and 7,816.56 is: 11,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.50 : 17,285.28 = 7,816.56 : x
  2. Step 2: Convert to fraction form
    11,523.50/17,285.28 = 7,816.56/x
  3. Step 3: Cross multiply
    11,523.50x = 17,285.28 × 7,816.56
  4. Step 4: Simplify right side
    11,523.50x = 135,111,428.24
  5. Step 5: Solve for x
    x = 135,111,428.24/11,523.50
  6. Step 6: Final answer
    x = 11,724.86

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Half scale
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Double scale
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Similar ratio
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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.