Home / 15,979.64-23,972.50-7,214.54

Finding the Fourth Proportional to 15,979.64, 23,972.50 and 7,214.54

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Solution

The fourth proportional to 15,979.64, 23,972.50 and 7,214.54 is: 10,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.64 : 23,972.50 = 7,214.54 : x
  2. Step 2: Convert to fraction form
    15,979.64/23,972.50 = 7,214.54/x
  3. Step 3: Cross multiply
    15,979.64x = 23,972.50 × 7,214.54
  4. Step 4: Simplify right side
    15,979.64x = 172,950,560.15
  5. Step 5: Solve for x
    x = 172,950,560.15/15,979.64
  6. Step 6: Final answer
    x = 10,823.18

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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.