Home / 12,728.36-19,082.61-6,061.43

Finding the Fourth Proportional to 12,728.36, 19,082.61 and 6,061.43

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Solution

The fourth proportional to 12,728.36, 19,082.61 and 6,061.43 is: 9,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.36 : 19,082.61 = 6,061.43 : x
  2. Step 2: Convert to fraction form
    12,728.36/19,082.61 = 6,061.43/x
  3. Step 3: Cross multiply
    12,728.36x = 19,082.61 × 6,061.43
  4. Step 4: Simplify right side
    12,728.36x = 115,667,809.32
  5. Step 5: Solve for x
    x = 115,667,809.32/12,728.36
  6. Step 6: Final answer
    x = 9,087.41

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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.