Home / 22,088.70-30,479.49-13,132.94

Finding the Fourth Proportional to 22,088.70, 30,479.49 and 13,132.94

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Solution

The fourth proportional to 22,088.70, 30,479.49 and 13,132.94 is: 18,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.70 : 30,479.49 = 13,132.94 : x
  2. Step 2: Convert to fraction form
    22,088.70/30,479.49 = 13,132.94/x
  3. Step 3: Cross multiply
    22,088.70x = 30,479.49 × 13,132.94
  4. Step 4: Simplify right side
    22,088.70x = 400,285,161.00
  5. Step 5: Solve for x
    x = 400,285,161.00/22,088.70
  6. Step 6: Final answer
    x = 18,121.72

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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.