Home / 19,515.15-29,269.62-6,367.41

Finding the Fourth Proportional to 19,515.15, 29,269.62 and 6,367.41

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Solution

The fourth proportional to 19,515.15, 29,269.62 and 6,367.41 is: 9,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.15 : 29,269.62 = 6,367.41 : x
  2. Step 2: Convert to fraction form
    19,515.15/29,269.62 = 6,367.41/x
  3. Step 3: Cross multiply
    19,515.15x = 29,269.62 × 6,367.41
  4. Step 4: Simplify right side
    19,515.15x = 186,371,671.08
  5. Step 5: Solve for x
    x = 186,371,671.08/19,515.15
  6. Step 6: Final answer
    x = 9,550.10

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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.