Home / 8,304.10-11,436.33-8,122.66

Finding the Fourth Proportional to 8,304.10, 11,436.33 and 8,122.66

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Solution

The fourth proportional to 8,304.10, 11,436.33 and 8,122.66 is: 11,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.10 : 11,436.33 = 8,122.66 : x
  2. Step 2: Convert to fraction form
    8,304.10/11,436.33 = 8,122.66/x
  3. Step 3: Cross multiply
    8,304.10x = 11,436.33 × 8,122.66
  4. Step 4: Simplify right side
    8,304.10x = 92,893,420.24
  5. Step 5: Solve for x
    x = 92,893,420.24/8,304.10
  6. Step 6: Final answer
    x = 11,186.45

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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.