Home / 22,428.66-30,950.07-13,470.84

Finding the Fourth Proportional to 22,428.66, 30,950.07 and 13,470.84

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Solution

The fourth proportional to 22,428.66, 30,950.07 and 13,470.84 is: 18,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.66 : 30,950.07 = 13,470.84 : x
  2. Step 2: Convert to fraction form
    22,428.66/30,950.07 = 13,470.84/x
  3. Step 3: Cross multiply
    22,428.66x = 30,950.07 × 13,470.84
  4. Step 4: Simplify right side
    22,428.66x = 416,923,440.96
  5. Step 5: Solve for x
    x = 416,923,440.96/22,428.66
  6. Step 6: Final answer
    x = 18,588.87

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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.