Home / 18,538.18-27,807.03-4,498.31

Finding the Fourth Proportional to 18,538.18, 27,807.03 and 4,498.31

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Solution

The fourth proportional to 18,538.18, 27,807.03 and 4,498.31 is: 6,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.18 : 27,807.03 = 4,498.31 : x
  2. Step 2: Convert to fraction form
    18,538.18/27,807.03 = 4,498.31/x
  3. Step 3: Cross multiply
    18,538.18x = 27,807.03 × 4,498.31
  4. Step 4: Simplify right side
    18,538.18x = 125,084,710.64
  5. Step 5: Solve for x
    x = 125,084,710.64/18,538.18
  6. Step 6: Final answer
    x = 6,747.41

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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.