Home / 11,437.26-15,785.45-6,659.61

Finding the Fourth Proportional to 11,437.26, 15,785.45 and 6,659.61

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Solution

The fourth proportional to 11,437.26, 15,785.45 and 6,659.61 is: 9,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.26 : 15,785.45 = 6,659.61 : x
  2. Step 2: Convert to fraction form
    11,437.26/15,785.45 = 6,659.61/x
  3. Step 3: Cross multiply
    11,437.26x = 15,785.45 × 6,659.61
  4. Step 4: Simplify right side
    11,437.26x = 105,124,907.38
  5. Step 5: Solve for x
    x = 105,124,907.38/11,437.26
  6. Step 6: Final answer
    x = 9,191.44

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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.