Home / 12,680.60-19,016.91-5,283.14

Finding the Fourth Proportional to 12,680.60, 19,016.91 and 5,283.14

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Solution

The fourth proportional to 12,680.60, 19,016.91 and 5,283.14 is: 7,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.60 : 19,016.91 = 5,283.14 : x
  2. Step 2: Convert to fraction form
    12,680.60/19,016.91 = 5,283.14/x
  3. Step 3: Cross multiply
    12,680.60x = 19,016.91 × 5,283.14
  4. Step 4: Simplify right side
    12,680.60x = 100,468,902.81
  5. Step 5: Solve for x
    x = 100,468,902.81/12,680.60
  6. Step 6: Final answer
    x = 7,923.04

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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.