Home / 22,159.20-33,258.24-12,309.60

Finding the Fourth Proportional to 22,159.20, 33,258.24 and 12,309.60

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Solution

The fourth proportional to 22,159.20, 33,258.24 and 12,309.60 is: 18,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.20 : 33,258.24 = 12,309.60 : x
  2. Step 2: Convert to fraction form
    22,159.20/33,258.24 = 12,309.60/x
  3. Step 3: Cross multiply
    22,159.20x = 33,258.24 × 12,309.60
  4. Step 4: Simplify right side
    22,159.20x = 409,395,631.10
  5. Step 5: Solve for x
    x = 409,395,631.10/22,159.20
  6. Step 6: Final answer
    x = 18,475.20

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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.