Home / 13,330.38-19,994.94-3,335.20

Finding the Fourth Proportional to 13,330.38, 19,994.94 and 3,335.20

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Solution

The fourth proportional to 13,330.38, 19,994.94 and 3,335.20 is: 5,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.38 : 19,994.94 = 3,335.20 : x
  2. Step 2: Convert to fraction form
    13,330.38/19,994.94 = 3,335.20/x
  3. Step 3: Cross multiply
    13,330.38x = 19,994.94 × 3,335.20
  4. Step 4: Simplify right side
    13,330.38x = 66,687,073.90
  5. Step 5: Solve for x
    x = 66,687,073.90/13,330.38
  6. Step 6: Final answer
    x = 5,002.64

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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.