Home / 12,742.92-19,120.86-6,586.92

Finding the Fourth Proportional to 12,742.92, 19,120.86 and 6,586.92

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Solution

The fourth proportional to 12,742.92, 19,120.86 and 6,586.92 is: 9,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.92 : 19,120.86 = 6,586.92 : x
  2. Step 2: Convert to fraction form
    12,742.92/19,120.86 = 6,586.92/x
  3. Step 3: Cross multiply
    12,742.92x = 19,120.86 × 6,586.92
  4. Step 4: Simplify right side
    12,742.92x = 125,947,575.15
  5. Step 5: Solve for x
    x = 125,947,575.15/12,742.92
  6. Step 6: Final answer
    x = 9,883.73

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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.