Home / 18,429.36-27,652.20-9,662.18

Finding the Fourth Proportional to 18,429.36, 27,652.20 and 9,662.18

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Solution

The fourth proportional to 18,429.36, 27,652.20 and 9,662.18 is: 14,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.36 : 27,652.20 = 9,662.18 : x
  2. Step 2: Convert to fraction form
    18,429.36/27,652.20 = 9,662.18/x
  3. Step 3: Cross multiply
    18,429.36x = 27,652.20 × 9,662.18
  4. Step 4: Simplify right side
    18,429.36x = 267,180,533.80
  5. Step 5: Solve for x
    x = 267,180,533.80/18,429.36
  6. Step 6: Final answer
    x = 14,497.55

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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.