Home / 20,064.48-30,101.28-6,917.04

Finding the Fourth Proportional to 20,064.48, 30,101.28 and 6,917.04

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Solution

The fourth proportional to 20,064.48, 30,101.28 and 6,917.04 is: 10,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.48 : 30,101.28 = 6,917.04 : x
  2. Step 2: Convert to fraction form
    20,064.48/30,101.28 = 6,917.04/x
  3. Step 3: Cross multiply
    20,064.48x = 30,101.28 × 6,917.04
  4. Step 4: Simplify right side
    20,064.48x = 208,211,757.81
  5. Step 5: Solve for x
    x = 208,211,757.81/20,064.48
  6. Step 6: Final answer
    x = 10,377.13

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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.