Home / 18,434.34-27,656.31-5,287.74

Finding the Fourth Proportional to 18,434.34, 27,656.31 and 5,287.74

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Solution

The fourth proportional to 18,434.34, 27,656.31 and 5,287.74 is: 7,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.34 : 27,656.31 = 5,287.74 : x
  2. Step 2: Convert to fraction form
    18,434.34/27,656.31 = 5,287.74/x
  3. Step 3: Cross multiply
    18,434.34x = 27,656.31 × 5,287.74
  4. Step 4: Simplify right side
    18,434.34x = 146,239,376.64
  5. Step 5: Solve for x
    x = 146,239,376.64/18,434.34
  6. Step 6: Final answer
    x = 7,932.99

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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.