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Finding the Fourth Proportional to 12,950.01, 19,422.11 and 5,052.71

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Solution

The fourth proportional to 12,950.01, 19,422.11 and 5,052.71 is: 7,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.01 : 19,422.11 = 5,052.71 : x
  2. Step 2: Convert to fraction form
    12,950.01/19,422.11 = 5,052.71/x
  3. Step 3: Cross multiply
    12,950.01x = 19,422.11 × 5,052.71
  4. Step 4: Simplify right side
    12,950.01x = 98,134,350.61
  5. Step 5: Solve for x
    x = 98,134,350.61/12,950.01
  6. Step 6: Final answer
    x = 7,577.94

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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.