Home / 12,680.30-19,014.96-9,760.66

Finding the Fourth Proportional to 12,680.30, 19,014.96 and 9,760.66

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Solution

The fourth proportional to 12,680.30, 19,014.96 and 9,760.66 is: 14,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.30 : 19,014.96 = 9,760.66 : x
  2. Step 2: Convert to fraction form
    12,680.30/19,014.96 = 9,760.66/x
  3. Step 3: Cross multiply
    12,680.30x = 19,014.96 × 9,760.66
  4. Step 4: Simplify right side
    12,680.30x = 185,598,559.47
  5. Step 5: Solve for x
    x = 185,598,559.47/12,680.30
  6. Step 6: Final answer
    x = 14,636.76

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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.