Home / 13,150.92-19,705.98-6,479.76

Finding the Fourth Proportional to 13,150.92, 19,705.98 and 6,479.76

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Solution

The fourth proportional to 13,150.92, 19,705.98 and 6,479.76 is: 9,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.92 : 19,705.98 = 6,479.76 : x
  2. Step 2: Convert to fraction form
    13,150.92/19,705.98 = 6,479.76/x
  3. Step 3: Cross multiply
    13,150.92x = 19,705.98 × 6,479.76
  4. Step 4: Simplify right side
    13,150.92x = 127,690,020.96
  5. Step 5: Solve for x
    x = 127,690,020.96/13,150.92
  6. Step 6: Final answer
    x = 9,709.59

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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.