Home / 10,943.62-15,101.82-6,407.29

Finding the Fourth Proportional to 10,943.62, 15,101.82 and 6,407.29

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Solution

The fourth proportional to 10,943.62, 15,101.82 and 6,407.29 is: 8,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.62 : 15,101.82 = 6,407.29 : x
  2. Step 2: Convert to fraction form
    10,943.62/15,101.82 = 6,407.29/x
  3. Step 3: Cross multiply
    10,943.62x = 15,101.82 × 6,407.29
  4. Step 4: Simplify right side
    10,943.62x = 96,761,740.27
  5. Step 5: Solve for x
    x = 96,761,740.27/10,943.62
  6. Step 6: Final answer
    x = 8,841.84

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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.