Home / 12,906.36-19,366.02-5,972.76

Finding the Fourth Proportional to 12,906.36, 19,366.02 and 5,972.76

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Solution

The fourth proportional to 12,906.36, 19,366.02 and 5,972.76 is: 8,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.36 : 19,366.02 = 5,972.76 : x
  2. Step 2: Convert to fraction form
    12,906.36/19,366.02 = 5,972.76/x
  3. Step 3: Cross multiply
    12,906.36x = 19,366.02 × 5,972.76
  4. Step 4: Simplify right side
    12,906.36x = 115,668,589.62
  5. Step 5: Solve for x
    x = 115,668,589.62/12,906.36
  6. Step 6: Final answer
    x = 8,962.14

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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.