Home / 18,583.17-27,867.47-7,487.79

Finding the Fourth Proportional to 18,583.17, 27,867.47 and 7,487.79

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Solution

The fourth proportional to 18,583.17, 27,867.47 and 7,487.79 is: 11,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.17 : 27,867.47 = 7,487.79 : x
  2. Step 2: Convert to fraction form
    18,583.17/27,867.47 = 7,487.79/x
  3. Step 3: Cross multiply
    18,583.17x = 27,867.47 × 7,487.79
  4. Step 4: Simplify right side
    18,583.17x = 208,665,725.75
  5. Step 5: Solve for x
    x = 208,665,725.75/18,583.17
  6. Step 6: Final answer
    x = 11,228.75

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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.