Home / 16,418.72-22,657.76-8,966.72

Finding the Fourth Proportional to 16,418.72, 22,657.76 and 8,966.72

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Solution

The fourth proportional to 16,418.72, 22,657.76 and 8,966.72 is: 12,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.72 : 22,657.76 = 8,966.72 : x
  2. Step 2: Convert to fraction form
    16,418.72/22,657.76 = 8,966.72/x
  3. Step 3: Cross multiply
    16,418.72x = 22,657.76 × 8,966.72
  4. Step 4: Simplify right side
    16,418.72x = 203,165,789.75
  5. Step 5: Solve for x
    x = 203,165,789.75/16,418.72
  6. Step 6: Final answer
    x = 12,374.03

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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.