Home / 15,675.88-23,514.54-3,989.20

Finding the Fourth Proportional to 15,675.88, 23,514.54 and 3,989.20

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Solution

The fourth proportional to 15,675.88, 23,514.54 and 3,989.20 is: 5,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.88 : 23,514.54 = 3,989.20 : x
  2. Step 2: Convert to fraction form
    15,675.88/23,514.54 = 3,989.20/x
  3. Step 3: Cross multiply
    15,675.88x = 23,514.54 × 3,989.20
  4. Step 4: Simplify right side
    15,675.88x = 93,804,202.97
  5. Step 5: Solve for x
    x = 93,804,202.97/15,675.88
  6. Step 6: Final answer
    x = 5,983.98

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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.