Home / 13,203.96-19,821.24-10,439.88

Finding the Fourth Proportional to 13,203.96, 19,821.24 and 10,439.88

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Solution

The fourth proportional to 13,203.96, 19,821.24 and 10,439.88 is: 15,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.96 : 19,821.24 = 10,439.88 : x
  2. Step 2: Convert to fraction form
    13,203.96/19,821.24 = 10,439.88/x
  3. Step 3: Cross multiply
    13,203.96x = 19,821.24 × 10,439.88
  4. Step 4: Simplify right side
    13,203.96x = 206,931,367.05
  5. Step 5: Solve for x
    x = 206,931,367.05/13,203.96
  6. Step 6: Final answer
    x = 15,671.92

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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.