Home / 11,372.32-15,697.74-6,658.12

Finding the Fourth Proportional to 11,372.32, 15,697.74 and 6,658.12

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Solution

The fourth proportional to 11,372.32, 15,697.74 and 6,658.12 is: 9,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.32 : 15,697.74 = 6,658.12 : x
  2. Step 2: Convert to fraction form
    11,372.32/15,697.74 = 6,658.12/x
  3. Step 3: Cross multiply
    11,372.32x = 15,697.74 × 6,658.12
  4. Step 4: Simplify right side
    11,372.32x = 104,517,436.65
  5. Step 5: Solve for x
    x = 104,517,436.65/11,372.32
  6. Step 6: Final answer
    x = 9,190.51

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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.