Home / 22,541.28-31,107.51-12,469.92

Finding the Fourth Proportional to 22,541.28, 31,107.51 and 12,469.92

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Solution

The fourth proportional to 22,541.28, 31,107.51 and 12,469.92 is: 17,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.28 : 31,107.51 = 12,469.92 : x
  2. Step 2: Convert to fraction form
    22,541.28/31,107.51 = 12,469.92/x
  3. Step 3: Cross multiply
    22,541.28x = 31,107.51 × 12,469.92
  4. Step 4: Simplify right side
    22,541.28x = 387,908,161.10
  5. Step 5: Solve for x
    x = 387,908,161.10/22,541.28
  6. Step 6: Final answer
    x = 17,208.79

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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.