Home / 22,642.08-33,964.20-12,107.76

Finding the Fourth Proportional to 22,642.08, 33,964.20 and 12,107.76

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Solution

The fourth proportional to 22,642.08, 33,964.20 and 12,107.76 is: 18,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.08 : 33,964.20 = 12,107.76 : x
  2. Step 2: Convert to fraction form
    22,642.08/33,964.20 = 12,107.76/x
  3. Step 3: Cross multiply
    22,642.08x = 33,964.20 × 12,107.76
  4. Step 4: Simplify right side
    22,642.08x = 411,230,382.19
  5. Step 5: Solve for x
    x = 411,230,382.19/22,642.08
  6. Step 6: Final answer
    x = 18,162.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.