Home / 18,224.30-27,336.45-10,427.60

Finding the Fourth Proportional to 18,224.30, 27,336.45 and 10,427.60

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Solution

The fourth proportional to 18,224.30, 27,336.45 and 10,427.60 is: 15,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.30 : 27,336.45 = 10,427.60 : x
  2. Step 2: Convert to fraction form
    18,224.30/27,336.45 = 10,427.60/x
  3. Step 3: Cross multiply
    18,224.30x = 27,336.45 × 10,427.60
  4. Step 4: Simplify right side
    18,224.30x = 285,053,566.02
  5. Step 5: Solve for x
    x = 285,053,566.02/18,224.30
  6. Step 6: Final answer
    x = 15,641.40

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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.