Home / 16,680.98-25,031.19-6,818.78

Finding the Fourth Proportional to 16,680.98, 25,031.19 and 6,818.78

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Solution

The fourth proportional to 16,680.98, 25,031.19 and 6,818.78 is: 10,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.98 : 25,031.19 = 6,818.78 : x
  2. Step 2: Convert to fraction form
    16,680.98/25,031.19 = 6,818.78/x
  3. Step 3: Cross multiply
    16,680.98x = 25,031.19 × 6,818.78
  4. Step 4: Simplify right side
    16,680.98x = 170,682,177.75
  5. Step 5: Solve for x
    x = 170,682,177.75/16,680.98
  6. Step 6: Final answer
    x = 10,232.14

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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.