Home / 15,056.91-20,779.29-8,343.27

Finding the Fourth Proportional to 15,056.91, 20,779.29 and 8,343.27

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Solution

The fourth proportional to 15,056.91, 20,779.29 and 8,343.27 is: 11,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.91 : 20,779.29 = 8,343.27 : x
  2. Step 2: Convert to fraction form
    15,056.91/20,779.29 = 8,343.27/x
  3. Step 3: Cross multiply
    15,056.91x = 20,779.29 × 8,343.27
  4. Step 4: Simplify right side
    15,056.91x = 173,367,226.88
  5. Step 5: Solve for x
    x = 173,367,226.88/15,056.91
  6. Step 6: Final answer
    x = 11,514.13

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Similar ratio
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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.