Home / 11,089.20-15,304.64-6,373.38

Finding the Fourth Proportional to 11,089.20, 15,304.64 and 6,373.38

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Solution

The fourth proportional to 11,089.20, 15,304.64 and 6,373.38 is: 8,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.20 : 15,304.64 = 6,373.38 : x
  2. Step 2: Convert to fraction form
    11,089.20/15,304.64 = 6,373.38/x
  3. Step 3: Cross multiply
    11,089.20x = 15,304.64 × 6,373.38
  4. Step 4: Simplify right side
    11,089.20x = 97,542,254.62
  5. Step 5: Solve for x
    x = 97,542,254.62/11,089.20
  6. Step 6: Final answer
    x = 8,796.15

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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.