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Finding the Fourth Proportional to 19,510.97, 29,270.09 and 6,367.10

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Solution

The fourth proportional to 19,510.97, 29,270.09 and 6,367.10 is: 9,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.97 : 29,270.09 = 6,367.10 : x
  2. Step 2: Convert to fraction form
    19,510.97/29,270.09 = 6,367.10/x
  3. Step 3: Cross multiply
    19,510.97x = 29,270.09 × 6,367.10
  4. Step 4: Simplify right side
    19,510.97x = 186,365,459.61
  5. Step 5: Solve for x
    x = 186,365,459.61/19,510.97
  6. Step 6: Final answer
    x = 9,551.83

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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.