Home / 18,272.31-27,409.12-9,385.24

Finding the Fourth Proportional to 18,272.31, 27,409.12 and 9,385.24

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Solution

The fourth proportional to 18,272.31, 27,409.12 and 9,385.24 is: 14,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.31 : 27,409.12 = 9,385.24 : x
  2. Step 2: Convert to fraction form
    18,272.31/27,409.12 = 9,385.24/x
  3. Step 3: Cross multiply
    18,272.31x = 27,409.12 × 9,385.24
  4. Step 4: Simplify right side
    18,272.31x = 257,241,122.46
  5. Step 5: Solve for x
    x = 257,241,122.46/18,272.31
  6. Step 6: Final answer
    x = 14,078.20

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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.