Home / 10,982.11-15,156.40-6,267.10

Finding the Fourth Proportional to 10,982.11, 15,156.40 and 6,267.10

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Solution

The fourth proportional to 10,982.11, 15,156.40 and 6,267.10 is: 8,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.11 : 15,156.40 = 6,267.10 : x
  2. Step 2: Convert to fraction form
    10,982.11/15,156.40 = 6,267.10/x
  3. Step 3: Cross multiply
    10,982.11x = 15,156.40 × 6,267.10
  4. Step 4: Simplify right side
    10,982.11x = 94,986,605.21
  5. Step 5: Solve for x
    x = 94,986,605.21/10,982.11
  6. Step 6: Final answer
    x = 8,649.21

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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.