Home / 16,680.68-25,016.76-6,818.12

Finding the Fourth Proportional to 16,680.68, 25,016.76 and 6,818.12

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Solution

The fourth proportional to 16,680.68, 25,016.76 and 6,818.12 is: 10,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.68 : 25,016.76 = 6,818.12 : x
  2. Step 2: Convert to fraction form
    16,680.68/25,016.76 = 6,818.12/x
  3. Step 3: Cross multiply
    16,680.68x = 25,016.76 × 6,818.12
  4. Step 4: Simplify right side
    16,680.68x = 170,567,271.69
  5. Step 5: Solve for x
    x = 170,567,271.69/16,680.68
  6. Step 6: Final answer
    x = 10,225.44

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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.