Home / 13,115.60-19,673.40-3,255.04

Finding the Fourth Proportional to 13,115.60, 19,673.40 and 3,255.04

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Solution

The fourth proportional to 13,115.60, 19,673.40 and 3,255.04 is: 4,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.60 : 19,673.40 = 3,255.04 : x
  2. Step 2: Convert to fraction form
    13,115.60/19,673.40 = 3,255.04/x
  3. Step 3: Cross multiply
    13,115.60x = 19,673.40 × 3,255.04
  4. Step 4: Simplify right side
    13,115.60x = 64,037,703.94
  5. Step 5: Solve for x
    x = 64,037,703.94/13,115.60
  6. Step 6: Final answer
    x = 4,882.56

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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.