Home / 16,219.14-22,382.76-9,144.20

Finding the Fourth Proportional to 16,219.14, 22,382.76 and 9,144.20

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Solution

The fourth proportional to 16,219.14, 22,382.76 and 9,144.20 is: 12,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.14 : 22,382.76 = 9,144.20 : x
  2. Step 2: Convert to fraction form
    16,219.14/22,382.76 = 9,144.20/x
  3. Step 3: Cross multiply
    16,219.14x = 22,382.76 × 9,144.20
  4. Step 4: Simplify right side
    16,219.14x = 204,672,322.08
  5. Step 5: Solve for x
    x = 204,672,322.08/16,219.14
  6. Step 6: Final answer
    x = 12,619.18

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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.