Home / 19,518.49-29,294.14-8,433.64

Finding the Fourth Proportional to 19,518.49, 29,294.14 and 8,433.64

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Solution

The fourth proportional to 19,518.49, 29,294.14 and 8,433.64 is: 12,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.49 : 29,294.14 = 8,433.64 : x
  2. Step 2: Convert to fraction form
    19,518.49/29,294.14 = 8,433.64/x
  3. Step 3: Cross multiply
    19,518.49x = 29,294.14 × 8,433.64
  4. Step 4: Simplify right side
    19,518.49x = 247,056,230.87
  5. Step 5: Solve for x
    x = 247,056,230.87/19,518.49
  6. Step 6: Final answer
    x = 12,657.55

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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.