Home / 11,318.27-15,620.20-6,604.07

Finding the Fourth Proportional to 11,318.27, 15,620.20 and 6,604.07

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Solution

The fourth proportional to 11,318.27, 15,620.20 and 6,604.07 is: 9,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.27 : 15,620.20 = 6,604.07 : x
  2. Step 2: Convert to fraction form
    11,318.27/15,620.20 = 6,604.07/x
  3. Step 3: Cross multiply
    11,318.27x = 15,620.20 × 6,604.07
  4. Step 4: Simplify right side
    11,318.27x = 103,156,810.87
  5. Step 5: Solve for x
    x = 103,156,810.87/11,318.27
  6. Step 6: Final answer
    x = 9,114.19

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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.