Home / 16,218.19-22,376.03-9,143.24

Finding the Fourth Proportional to 16,218.19, 22,376.03 and 9,143.24

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Solution

The fourth proportional to 16,218.19, 22,376.03 and 9,143.24 is: 12,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.19 : 22,376.03 = 9,143.24 : x
  2. Step 2: Convert to fraction form
    16,218.19/22,376.03 = 9,143.24/x
  3. Step 3: Cross multiply
    16,218.19x = 22,376.03 × 9,143.24
  4. Step 4: Simplify right side
    16,218.19x = 204,589,412.54
  5. Step 5: Solve for x
    x = 204,589,412.54/16,218.19
  6. Step 6: Final answer
    x = 12,614.82

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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.