Home / 15,825.78-23,731.92-5,958.18

Finding the Fourth Proportional to 15,825.78, 23,731.92 and 5,958.18

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Solution

The fourth proportional to 15,825.78, 23,731.92 and 5,958.18 is: 8,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.78 : 23,731.92 = 5,958.18 : x
  2. Step 2: Convert to fraction form
    15,825.78/23,731.92 = 5,958.18/x
  3. Step 3: Cross multiply
    15,825.78x = 23,731.92 × 5,958.18
  4. Step 4: Simplify right side
    15,825.78x = 141,399,051.11
  5. Step 5: Solve for x
    x = 141,399,051.11/15,825.78
  6. Step 6: Final answer
    x = 8,934.73

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1.5x scale

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.