Home / 14,934.60-20,608.62-8,561.13

Finding the Fourth Proportional to 14,934.60, 20,608.62 and 8,561.13

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Solution

The fourth proportional to 14,934.60, 20,608.62 and 8,561.13 is: 11,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.60 : 20,608.62 = 8,561.13 : x
  2. Step 2: Convert to fraction form
    14,934.60/20,608.62 = 8,561.13/x
  3. Step 3: Cross multiply
    14,934.60x = 20,608.62 × 8,561.13
  4. Step 4: Simplify right side
    14,934.60x = 176,433,074.94
  5. Step 5: Solve for x
    x = 176,433,074.94/14,934.60
  6. Step 6: Final answer
    x = 11,813.71

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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.