Home / 11,006.88-15,186.24-6,290.88

Finding the Fourth Proportional to 11,006.88, 15,186.24 and 6,290.88

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Solution

The fourth proportional to 11,006.88, 15,186.24 and 6,290.88 is: 8,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.88 : 15,186.24 = 6,290.88 : x
  2. Step 2: Convert to fraction form
    11,006.88/15,186.24 = 6,290.88/x
  3. Step 3: Cross multiply
    11,006.88x = 15,186.24 × 6,290.88
  4. Step 4: Simplify right side
    11,006.88x = 95,534,813.49
  5. Step 5: Solve for x
    x = 95,534,813.49/11,006.88
  6. Step 6: Final answer
    x = 8,679.55

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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.