Home / 22,274.06-30,737.29-13,319.81

Finding the Fourth Proportional to 22,274.06, 30,737.29 and 13,319.81

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Solution

The fourth proportional to 22,274.06, 30,737.29 and 13,319.81 is: 18,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.06 : 30,737.29 = 13,319.81 : x
  2. Step 2: Convert to fraction form
    22,274.06/30,737.29 = 13,319.81/x
  3. Step 3: Cross multiply
    22,274.06x = 30,737.29 × 13,319.81
  4. Step 4: Simplify right side
    22,274.06x = 409,414,862.71
  5. Step 5: Solve for x
    x = 409,414,862.71/22,274.06
  6. Step 6: Final answer
    x = 18,380.79

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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.