Home / 11,337.18-15,646.38-6,862.05

Finding the Fourth Proportional to 11,337.18, 15,646.38 and 6,862.05

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Solution

The fourth proportional to 11,337.18, 15,646.38 and 6,862.05 is: 9,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.18 : 15,646.38 = 6,862.05 : x
  2. Step 2: Convert to fraction form
    11,337.18/15,646.38 = 6,862.05/x
  3. Step 3: Cross multiply
    11,337.18x = 15,646.38 × 6,862.05
  4. Step 4: Simplify right side
    11,337.18x = 107,366,241.88
  5. Step 5: Solve for x
    x = 107,366,241.88/11,337.18
  6. Step 6: Final answer
    x = 9,470.28

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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.