Home / 15,568.38-21,484.80-8,494.92

Finding the Fourth Proportional to 15,568.38, 21,484.80 and 8,494.92

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Solution

The fourth proportional to 15,568.38, 21,484.80 and 8,494.92 is: 11,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.38 : 21,484.80 = 8,494.92 : x
  2. Step 2: Convert to fraction form
    15,568.38/21,484.80 = 8,494.92/x
  3. Step 3: Cross multiply
    15,568.38x = 21,484.80 × 8,494.92
  4. Step 4: Simplify right side
    15,568.38x = 182,511,657.22
  5. Step 5: Solve for x
    x = 182,511,657.22/15,568.38
  6. Step 6: Final answer
    x = 11,723.23

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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.