Home / 9,052.48-13,517.12-7,989.44

Finding the Fourth Proportional to 9,052.48, 13,517.12 and 7,989.44

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Solution

The fourth proportional to 9,052.48, 13,517.12 and 7,989.44 is: 11,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.48 : 13,517.12 = 7,989.44 : x
  2. Step 2: Convert to fraction form
    9,052.48/13,517.12 = 7,989.44/x
  3. Step 3: Cross multiply
    9,052.48x = 13,517.12 × 7,989.44
  4. Step 4: Simplify right side
    9,052.48x = 107,994,219.21
  5. Step 5: Solve for x
    x = 107,994,219.21/9,052.48
  6. Step 6: Final answer
    x = 11,929.79

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.