Home / 8,514.42-11,746.68-6,281.66

Finding the Fourth Proportional to 8,514.42, 11,746.68 and 6,281.66

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Solution

The fourth proportional to 8,514.42, 11,746.68 and 6,281.66 is: 8,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.42 : 11,746.68 = 6,281.66 : x
  2. Step 2: Convert to fraction form
    8,514.42/11,746.68 = 6,281.66/x
  3. Step 3: Cross multiply
    8,514.42x = 11,746.68 × 6,281.66
  4. Step 4: Simplify right side
    8,514.42x = 73,788,649.89
  5. Step 5: Solve for x
    x = 73,788,649.89/8,514.42
  6. Step 6: Final answer
    x = 8,666.32

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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.