Home / 15,016.53-20,722.46-8,301.63

Finding the Fourth Proportional to 15,016.53, 20,722.46 and 8,301.63

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Solution

The fourth proportional to 15,016.53, 20,722.46 and 8,301.63 is: 11,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.53 : 20,722.46 = 8,301.63 : x
  2. Step 2: Convert to fraction form
    15,016.53/20,722.46 = 8,301.63/x
  3. Step 3: Cross multiply
    15,016.53x = 20,722.46 × 8,301.63
  4. Step 4: Simplify right side
    15,016.53x = 172,030,195.61
  5. Step 5: Solve for x
    x = 172,030,195.61/15,016.53
  6. Step 6: Final answer
    x = 11,456.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.