Home / 13,482.95-20,215.96-4,119.85

Finding the Fourth Proportional to 13,482.95, 20,215.96 and 4,119.85

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Solution

The fourth proportional to 13,482.95, 20,215.96 and 4,119.85 is: 6,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.95 : 20,215.96 = 4,119.85 : x
  2. Step 2: Convert to fraction form
    13,482.95/20,215.96 = 4,119.85/x
  3. Step 3: Cross multiply
    13,482.95x = 20,215.96 × 4,119.85
  4. Step 4: Simplify right side
    13,482.95x = 83,286,760.95
  5. Step 5: Solve for x
    x = 83,286,760.95/13,482.95
  6. Step 6: Final answer
    x = 6,177.19

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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.