Home / 13,216.62-18,240.48-7,552.29

Finding the Fourth Proportional to 13,216.62, 18,240.48 and 7,552.29

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Solution

The fourth proportional to 13,216.62, 18,240.48 and 7,552.29 is: 10,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.62 : 18,240.48 = 7,552.29 : x
  2. Step 2: Convert to fraction form
    13,216.62/18,240.48 = 7,552.29/x
  3. Step 3: Cross multiply
    13,216.62x = 18,240.48 × 7,552.29
  4. Step 4: Simplify right side
    13,216.62x = 137,757,394.70
  5. Step 5: Solve for x
    x = 137,757,394.70/13,216.62
  6. Step 6: Final answer
    x = 10,423.04

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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.