Home / 13,248.20-19,867.38-3,885.80

Finding the Fourth Proportional to 13,248.20, 19,867.38 and 3,885.80

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Solution

The fourth proportional to 13,248.20, 19,867.38 and 3,885.80 is: 5,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.20 : 19,867.38 = 3,885.80 : x
  2. Step 2: Convert to fraction form
    13,248.20/19,867.38 = 3,885.80/x
  3. Step 3: Cross multiply
    13,248.20x = 19,867.38 × 3,885.80
  4. Step 4: Simplify right side
    13,248.20x = 77,200,665.20
  5. Step 5: Solve for x
    x = 77,200,665.20/13,248.20
  6. Step 6: Final answer
    x = 5,827.26

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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.