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Finding the Fourth Proportional to 16,574.70, 22,873.65 and 9,021.31

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Solution

The fourth proportional to 16,574.70, 22,873.65 and 9,021.31 is: 12,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.70 : 22,873.65 = 9,021.31 : x
  2. Step 2: Convert to fraction form
    16,574.70/22,873.65 = 9,021.31/x
  3. Step 3: Cross multiply
    16,574.70x = 22,873.65 × 9,021.31
  4. Step 4: Simplify right side
    16,574.70x = 206,350,230.30
  5. Step 5: Solve for x
    x = 206,350,230.30/16,574.70
  6. Step 6: Final answer
    x = 12,449.71

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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.