Home / 13,996.30-20,988.15-4,132.18

Finding the Fourth Proportional to 13,996.30, 20,988.15 and 4,132.18

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Solution

The fourth proportional to 13,996.30, 20,988.15 and 4,132.18 is: 6,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.30 : 20,988.15 = 4,132.18 : x
  2. Step 2: Convert to fraction form
    13,996.30/20,988.15 = 4,132.18/x
  3. Step 3: Cross multiply
    13,996.30x = 20,988.15 × 4,132.18
  4. Step 4: Simplify right side
    13,996.30x = 86,726,813.67
  5. Step 5: Solve for x
    x = 86,726,813.67/13,996.30
  6. Step 6: Final answer
    x = 6,196.41

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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.