Home / 19,803.06-29,710.05-7,960.44

Finding the Fourth Proportional to 19,803.06, 29,710.05 and 7,960.44

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Solution

The fourth proportional to 19,803.06, 29,710.05 and 7,960.44 is: 11,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.06 : 29,710.05 = 7,960.44 : x
  2. Step 2: Convert to fraction form
    19,803.06/29,710.05 = 7,960.44/x
  3. Step 3: Cross multiply
    19,803.06x = 29,710.05 × 7,960.44
  4. Step 4: Simplify right side
    19,803.06x = 236,505,070.42
  5. Step 5: Solve for x
    x = 236,505,070.42/19,803.06
  6. Step 6: Final answer
    x = 11,942.85

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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.