Home / 11,961.56-17,950.62-6,972.20

Finding the Fourth Proportional to 11,961.56, 17,950.62 and 6,972.20

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Solution

The fourth proportional to 11,961.56, 17,950.62 and 6,972.20 is: 10,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.56 : 17,950.62 = 6,972.20 : x
  2. Step 2: Convert to fraction form
    11,961.56/17,950.62 = 6,972.20/x
  3. Step 3: Cross multiply
    11,961.56x = 17,950.62 × 6,972.20
  4. Step 4: Simplify right side
    11,961.56x = 125,155,312.76
  5. Step 5: Solve for x
    x = 125,155,312.76/11,961.56
  6. Step 6: Final answer
    x = 10,463.13

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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.