Home / 10,514.31-15,760.82-6,818.90

Finding the Fourth Proportional to 10,514.31, 15,760.82 and 6,818.90

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Solution

The fourth proportional to 10,514.31, 15,760.82 and 6,818.90 is: 10,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.31 : 15,760.82 = 6,818.90 : x
  2. Step 2: Convert to fraction form
    10,514.31/15,760.82 = 6,818.90/x
  3. Step 3: Cross multiply
    10,514.31x = 15,760.82 × 6,818.90
  4. Step 4: Simplify right side
    10,514.31x = 107,471,342.60
  5. Step 5: Solve for x
    x = 107,471,342.60/10,514.31
  6. Step 6: Final answer
    x = 10,221.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.