Home / 11,402.16-17,081.64-5,552.88

Finding the Fourth Proportional to 11,402.16, 17,081.64 and 5,552.88

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Solution

The fourth proportional to 11,402.16, 17,081.64 and 5,552.88 is: 8,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.16 : 17,081.64 = 5,552.88 : x
  2. Step 2: Convert to fraction form
    11,402.16/17,081.64 = 5,552.88/x
  3. Step 3: Cross multiply
    11,402.16x = 17,081.64 × 5,552.88
  4. Step 4: Simplify right side
    11,402.16x = 94,852,297.12
  5. Step 5: Solve for x
    x = 94,852,297.12/11,402.16
  6. Step 6: Final answer
    x = 8,318.80

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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.