Home / 11,003.88-15,185.40-6,288.32

Finding the Fourth Proportional to 11,003.88, 15,185.40 and 6,288.32

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Solution

The fourth proportional to 11,003.88, 15,185.40 and 6,288.32 is: 8,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.88 : 15,185.40 = 6,288.32 : x
  2. Step 2: Convert to fraction form
    11,003.88/15,185.40 = 6,288.32/x
  3. Step 3: Cross multiply
    11,003.88x = 15,185.40 × 6,288.32
  4. Step 4: Simplify right side
    11,003.88x = 95,490,654.53
  5. Step 5: Solve for x
    x = 95,490,654.53/11,003.88
  6. Step 6: Final answer
    x = 8,677.91

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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.