Home / 11,728.08-17,590.23-5,153.04

Finding the Fourth Proportional to 11,728.08, 17,590.23 and 5,153.04

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Solution

The fourth proportional to 11,728.08, 17,590.23 and 5,153.04 is: 7,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.08 : 17,590.23 = 5,153.04 : x
  2. Step 2: Convert to fraction form
    11,728.08/17,590.23 = 5,153.04/x
  3. Step 3: Cross multiply
    11,728.08x = 17,590.23 × 5,153.04
  4. Step 4: Simplify right side
    11,728.08x = 90,643,158.80
  5. Step 5: Solve for x
    x = 90,643,158.80/11,728.08
  6. Step 6: Final answer
    x = 7,728.73

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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.