Home / 22,708.94-31,338.05-12,637.13

Finding the Fourth Proportional to 22,708.94, 31,338.05 and 12,637.13

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Solution

The fourth proportional to 22,708.94, 31,338.05 and 12,637.13 is: 17,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.94 : 31,338.05 = 12,637.13 : x
  2. Step 2: Convert to fraction form
    22,708.94/31,338.05 = 12,637.13/x
  3. Step 3: Cross multiply
    22,708.94x = 31,338.05 × 12,637.13
  4. Step 4: Simplify right side
    22,708.94x = 396,022,791.92
  5. Step 5: Solve for x
    x = 396,022,791.92/22,708.94
  6. Step 6: Final answer
    x = 17,439.07

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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.