Home / 18,287.40-25,236.40-10,732.38

Finding the Fourth Proportional to 18,287.40, 25,236.40 and 10,732.38

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Solution

The fourth proportional to 18,287.40, 25,236.40 and 10,732.38 is: 14,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.40 : 25,236.40 = 10,732.38 : x
  2. Step 2: Convert to fraction form
    18,287.40/25,236.40 = 10,732.38/x
  3. Step 3: Cross multiply
    18,287.40x = 25,236.40 × 10,732.38
  4. Step 4: Simplify right side
    18,287.40x = 270,846,634.63
  5. Step 5: Solve for x
    x = 270,846,634.63/18,287.40
  6. Step 6: Final answer
    x = 14,810.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.