Home / 12,586.54-18,882.24-6,749.68

Finding the Fourth Proportional to 12,586.54, 18,882.24 and 6,749.68

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Solution

The fourth proportional to 12,586.54, 18,882.24 and 6,749.68 is: 10,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.54 : 18,882.24 = 6,749.68 : x
  2. Step 2: Convert to fraction form
    12,586.54/18,882.24 = 6,749.68/x
  3. Step 3: Cross multiply
    12,586.54x = 18,882.24 × 6,749.68
  4. Step 4: Simplify right side
    12,586.54x = 127,449,077.68
  5. Step 5: Solve for x
    x = 127,449,077.68/12,586.54
  6. Step 6: Final answer
    x = 10,125.82

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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.