Home / 19,408.84-29,112.62-5,369.70

Finding the Fourth Proportional to 19,408.84, 29,112.62 and 5,369.70

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Solution

The fourth proportional to 19,408.84, 29,112.62 and 5,369.70 is: 8,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.84 : 29,112.62 = 5,369.70 : x
  2. Step 2: Convert to fraction form
    19,408.84/29,112.62 = 5,369.70/x
  3. Step 3: Cross multiply
    19,408.84x = 29,112.62 × 5,369.70
  4. Step 4: Simplify right side
    19,408.84x = 156,326,035.61
  5. Step 5: Solve for x
    x = 156,326,035.61/19,408.84
  6. Step 6: Final answer
    x = 8,054.37

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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.