Home / 20,266.60-30,398.46-5,476.36

Finding the Fourth Proportional to 20,266.60, 30,398.46 and 5,476.36

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Solution

The fourth proportional to 20,266.60, 30,398.46 and 5,476.36 is: 8,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.60 : 30,398.46 = 5,476.36 : x
  2. Step 2: Convert to fraction form
    20,266.60/30,398.46 = 5,476.36/x
  3. Step 3: Cross multiply
    20,266.60x = 30,398.46 × 5,476.36
  4. Step 4: Simplify right side
    20,266.60x = 166,472,910.41
  5. Step 5: Solve for x
    x = 166,472,910.41/20,266.60
  6. Step 6: Final answer
    x = 8,214.15

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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.