Home / 14,934.57-20,608.92-8,218.89

Finding the Fourth Proportional to 14,934.57, 20,608.92 and 8,218.89

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Solution

The fourth proportional to 14,934.57, 20,608.92 and 8,218.89 is: 11,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.57 : 20,608.92 = 8,218.89 : x
  2. Step 2: Convert to fraction form
    14,934.57/20,608.92 = 8,218.89/x
  3. Step 3: Cross multiply
    14,934.57x = 20,608.92 × 8,218.89
  4. Step 4: Simplify right side
    14,934.57x = 169,382,446.50
  5. Step 5: Solve for x
    x = 169,382,446.50/14,934.57
  6. Step 6: Final answer
    x = 11,341.64

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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.