Home / 22,357.66-30,839.85-13,276.85

Finding the Fourth Proportional to 22,357.66, 30,839.85 and 13,276.85

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Solution

The fourth proportional to 22,357.66, 30,839.85 and 13,276.85 is: 18,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.66 : 30,839.85 = 13,276.85 : x
  2. Step 2: Convert to fraction form
    22,357.66/30,839.85 = 13,276.85/x
  3. Step 3: Cross multiply
    22,357.66x = 30,839.85 × 13,276.85
  4. Step 4: Simplify right side
    22,357.66x = 409,456,062.47
  5. Step 5: Solve for x
    x = 409,456,062.47/22,357.66
  6. Step 6: Final answer
    x = 18,313.91

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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.