Home / 18,538.64-27,807.73-4,498.79

Finding the Fourth Proportional to 18,538.64, 27,807.73 and 4,498.79

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Solution

The fourth proportional to 18,538.64, 27,807.73 and 4,498.79 is: 6,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.64 : 27,807.73 = 4,498.79 : x
  2. Step 2: Convert to fraction form
    18,538.64/27,807.73 = 4,498.79/x
  3. Step 3: Cross multiply
    18,538.64x = 27,807.73 × 4,498.79
  4. Step 4: Simplify right side
    18,538.64x = 125,100,976.11
  5. Step 5: Solve for x
    x = 125,100,976.11/18,538.64
  6. Step 6: Final answer
    x = 6,748.12

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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.