Home / 13,499.95-20,249.92-7,251.36

Finding the Fourth Proportional to 13,499.95, 20,249.92 and 7,251.36

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Solution

The fourth proportional to 13,499.95, 20,249.92 and 7,251.36 is: 10,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.95 : 20,249.92 = 7,251.36 : x
  2. Step 2: Convert to fraction form
    13,499.95/20,249.92 = 7,251.36/x
  3. Step 3: Cross multiply
    13,499.95x = 20,249.92 × 7,251.36
  4. Step 4: Simplify right side
    13,499.95x = 146,839,459.89
  5. Step 5: Solve for x
    x = 146,839,459.89/13,499.95
  6. Step 6: Final answer
    x = 10,877.04

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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.