Home / 10,514.91-15,761.72-6,819.49

Finding the Fourth Proportional to 10,514.91, 15,761.72 and 6,819.49

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Solution

The fourth proportional to 10,514.91, 15,761.72 and 6,819.49 is: 10,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.91 : 15,761.72 = 6,819.49 : x
  2. Step 2: Convert to fraction form
    10,514.91/15,761.72 = 6,819.49/x
  3. Step 3: Cross multiply
    10,514.91x = 15,761.72 × 6,819.49
  4. Step 4: Simplify right side
    10,514.91x = 107,486,779.02
  5. Step 5: Solve for x
    x = 107,486,779.02/10,514.91
  6. Step 6: Final answer
    x = 10,222.32

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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.