Home / 22,154.32-33,203.40-8,999.20

Finding the Fourth Proportional to 22,154.32, 33,203.40 and 8,999.20

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Solution

The fourth proportional to 22,154.32, 33,203.40 and 8,999.20 is: 13,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.32 : 33,203.40 = 8,999.20 : x
  2. Step 2: Convert to fraction form
    22,154.32/33,203.40 = 8,999.20/x
  3. Step 3: Cross multiply
    22,154.32x = 33,203.40 × 8,999.20
  4. Step 4: Simplify right side
    22,154.32x = 298,804,037.28
  5. Step 5: Solve for x
    x = 298,804,037.28/22,154.32
  6. Step 6: Final answer
    x = 13,487.39

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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.