Home / 12,760.17-19,143.72-4,440.66

Finding the Fourth Proportional to 12,760.17, 19,143.72 and 4,440.66

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Solution

The fourth proportional to 12,760.17, 19,143.72 and 4,440.66 is: 6,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.17 : 19,143.72 = 4,440.66 : x
  2. Step 2: Convert to fraction form
    12,760.17/19,143.72 = 4,440.66/x
  3. Step 3: Cross multiply
    12,760.17x = 19,143.72 × 4,440.66
  4. Step 4: Simplify right side
    12,760.17x = 85,010,751.66
  5. Step 5: Solve for x
    x = 85,010,751.66/12,760.17
  6. Step 6: Final answer
    x = 6,662.20

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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.