Home / 13,215.24-19,822.84-4,449.42

Finding the Fourth Proportional to 13,215.24, 19,822.84 and 4,449.42

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Solution

The fourth proportional to 13,215.24, 19,822.84 and 4,449.42 is: 6,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.24 : 19,822.84 = 4,449.42 : x
  2. Step 2: Convert to fraction form
    13,215.24/19,822.84 = 4,449.42/x
  3. Step 3: Cross multiply
    13,215.24x = 19,822.84 × 4,449.42
  4. Step 4: Simplify right side
    13,215.24x = 88,200,140.75
  5. Step 5: Solve for x
    x = 88,200,140.75/13,215.24
  6. Step 6: Final answer
    x = 6,674.12

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Similar ratio
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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.