Home / 12,552.19-17,325.18-7,517.65

Finding the Fourth Proportional to 12,552.19, 17,325.18 and 7,517.65

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Solution

The fourth proportional to 12,552.19, 17,325.18 and 7,517.65 is: 10,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.19 : 17,325.18 = 7,517.65 : x
  2. Step 2: Convert to fraction form
    12,552.19/17,325.18 = 7,517.65/x
  3. Step 3: Cross multiply
    12,552.19x = 17,325.18 × 7,517.65
  4. Step 4: Simplify right side
    12,552.19x = 130,244,639.43
  5. Step 5: Solve for x
    x = 130,244,639.43/12,552.19
  6. Step 6: Final answer
    x = 10,376.25

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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.