Home / 11,307.60-16,967.88-8,339.76

Finding the Fourth Proportional to 11,307.60, 16,967.88 and 8,339.76

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Solution

The fourth proportional to 11,307.60, 16,967.88 and 8,339.76 is: 12,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.60 : 16,967.88 = 8,339.76 : x
  2. Step 2: Convert to fraction form
    11,307.60/16,967.88 = 8,339.76/x
  3. Step 3: Cross multiply
    11,307.60x = 16,967.88 × 8,339.76
  4. Step 4: Simplify right side
    11,307.60x = 141,508,046.91
  5. Step 5: Solve for x
    x = 141,508,046.91/11,307.60
  6. Step 6: Final answer
    x = 12,514.42

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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.