Home / 18,239.40-27,359.12-10,442.82

Finding the Fourth Proportional to 18,239.40, 27,359.12 and 10,442.82

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Solution

The fourth proportional to 18,239.40, 27,359.12 and 10,442.82 is: 15,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.40 : 27,359.12 = 10,442.82 : x
  2. Step 2: Convert to fraction form
    18,239.40/27,359.12 = 10,442.82/x
  3. Step 3: Cross multiply
    18,239.40x = 27,359.12 × 10,442.82
  4. Step 4: Simplify right side
    18,239.40x = 285,706,365.52
  5. Step 5: Solve for x
    x = 285,706,365.52/18,239.40
  6. Step 6: Final answer
    x = 15,664.24

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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.