Home / 13,995.28-20,992.42-6,097.78

Finding the Fourth Proportional to 13,995.28, 20,992.42 and 6,097.78

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Solution

The fourth proportional to 13,995.28, 20,992.42 and 6,097.78 is: 9,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.28 : 20,992.42 = 6,097.78 : x
  2. Step 2: Convert to fraction form
    13,995.28/20,992.42 = 6,097.78/x
  3. Step 3: Cross multiply
    13,995.28x = 20,992.42 × 6,097.78
  4. Step 4: Simplify right side
    13,995.28x = 128,007,158.83
  5. Step 5: Solve for x
    x = 128,007,158.83/13,995.28
  6. Step 6: Final answer
    x = 9,146.45

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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.