Home / 22,225.20-33,337.80-11,857.20

Finding the Fourth Proportional to 22,225.20, 33,337.80 and 11,857.20

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Solution

The fourth proportional to 22,225.20, 33,337.80 and 11,857.20 is: 17,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.20 : 33,337.80 = 11,857.20 : x
  2. Step 2: Convert to fraction form
    22,225.20/33,337.80 = 11,857.20/x
  3. Step 3: Cross multiply
    22,225.20x = 33,337.80 × 11,857.20
  4. Step 4: Simplify right side
    22,225.20x = 395,292,962.16
  5. Step 5: Solve for x
    x = 395,292,962.16/22,225.20
  6. Step 6: Final answer
    x = 17,785.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.