Home / 15,991.43-23,987.12-4,304.66

Finding the Fourth Proportional to 15,991.43, 23,987.12 and 4,304.66

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Solution

The fourth proportional to 15,991.43, 23,987.12 and 4,304.66 is: 6,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.43 : 23,987.12 = 4,304.66 : x
  2. Step 2: Convert to fraction form
    15,991.43/23,987.12 = 4,304.66/x
  3. Step 3: Cross multiply
    15,991.43x = 23,987.12 × 4,304.66
  4. Step 4: Simplify right side
    15,991.43x = 103,256,254.52
  5. Step 5: Solve for x
    x = 103,256,254.52/15,991.43
  6. Step 6: Final answer
    x = 6,456.98

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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.