Home / 22,256.80-33,404.10-9,118.60

Finding the Fourth Proportional to 22,256.80, 33,404.10 and 9,118.60

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Solution

The fourth proportional to 22,256.80, 33,404.10 and 9,118.60 is: 13,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.80 : 33,404.10 = 9,118.60 : x
  2. Step 2: Convert to fraction form
    22,256.80/33,404.10 = 9,118.60/x
  3. Step 3: Cross multiply
    22,256.80x = 33,404.10 × 9,118.60
  4. Step 4: Simplify right side
    22,256.80x = 304,598,626.26
  5. Step 5: Solve for x
    x = 304,598,626.26/22,256.80
  6. Step 6: Final answer
    x = 13,685.64

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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.