Home / 22,310.09-30,785.97-12,748.07

Finding the Fourth Proportional to 22,310.09, 30,785.97 and 12,748.07

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Solution

The fourth proportional to 22,310.09, 30,785.97 and 12,748.07 is: 17,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.09 : 30,785.97 = 12,748.07 : x
  2. Step 2: Convert to fraction form
    22,310.09/30,785.97 = 12,748.07/x
  3. Step 3: Cross multiply
    22,310.09x = 30,785.97 × 12,748.07
  4. Step 4: Simplify right side
    22,310.09x = 392,461,825.35
  5. Step 5: Solve for x
    x = 392,461,825.35/22,310.09
  6. Step 6: Final answer
    x = 17,591.23

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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.