Home / 22,738.34-31,378.94-13,180.08

Finding the Fourth Proportional to 22,738.34, 31,378.94 and 13,180.08

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Solution

The fourth proportional to 22,738.34, 31,378.94 and 13,180.08 is: 18,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.34 : 31,378.94 = 13,180.08 : x
  2. Step 2: Convert to fraction form
    22,738.34/31,378.94 = 13,180.08/x
  3. Step 3: Cross multiply
    22,738.34x = 31,378.94 × 13,180.08
  4. Step 4: Simplify right side
    22,738.34x = 413,576,873.61
  5. Step 5: Solve for x
    x = 413,576,873.61/22,738.34
  6. Step 6: Final answer
    x = 18,188.53

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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.