Home / 18,101.66-25,003.23-16,332.62

Finding the Fourth Proportional to 18,101.66, 25,003.23 and 16,332.62

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Solution

The fourth proportional to 18,101.66, 25,003.23 and 16,332.62 is: 22,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.66 : 25,003.23 = 16,332.62 : x
  2. Step 2: Convert to fraction form
    18,101.66/25,003.23 = 16,332.62/x
  3. Step 3: Cross multiply
    18,101.66x = 25,003.23 × 16,332.62
  4. Step 4: Simplify right side
    18,101.66x = 408,368,254.36
  5. Step 5: Solve for x
    x = 408,368,254.36/18,101.66
  6. Step 6: Final answer
    x = 22,559.71

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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.