Home / 11,318.13-15,620.87-6,283.98

Finding the Fourth Proportional to 11,318.13, 15,620.87 and 6,283.98

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Solution

The fourth proportional to 11,318.13, 15,620.87 and 6,283.98 is: 8,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.13 : 15,620.87 = 6,283.98 : x
  2. Step 2: Convert to fraction form
    11,318.13/15,620.87 = 6,283.98/x
  3. Step 3: Cross multiply
    11,318.13x = 15,620.87 × 6,283.98
  4. Step 4: Simplify right side
    11,318.13x = 98,161,234.66
  5. Step 5: Solve for x
    x = 98,161,234.66/11,318.13
  6. Step 6: Final answer
    x = 8,672.92

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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.