Home / 7,919.24-11,869.14-6,947.24

Finding the Fourth Proportional to 7,919.24, 11,869.14 and 6,947.24

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Solution

The fourth proportional to 7,919.24, 11,869.14 and 6,947.24 is: 10,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.24 : 11,869.14 = 6,947.24 : x
  2. Step 2: Convert to fraction form
    7,919.24/11,869.14 = 6,947.24/x
  3. Step 3: Cross multiply
    7,919.24x = 11,869.14 × 6,947.24
  4. Step 4: Simplify right side
    7,919.24x = 82,457,764.17
  5. Step 5: Solve for x
    x = 82,457,764.17/7,919.24
  6. Step 6: Final answer
    x = 10,412.33

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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.