Home / 19,370.75-29,056.53-5,519.75

Finding the Fourth Proportional to 19,370.75, 29,056.53 and 5,519.75

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Solution

The fourth proportional to 19,370.75, 29,056.53 and 5,519.75 is: 8,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.75 : 29,056.53 = 5,519.75 : x
  2. Step 2: Convert to fraction form
    19,370.75/29,056.53 = 5,519.75/x
  3. Step 3: Cross multiply
    19,370.75x = 29,056.53 × 5,519.75
  4. Step 4: Simplify right side
    19,370.75x = 160,384,781.47
  5. Step 5: Solve for x
    x = 160,384,781.47/19,370.75
  6. Step 6: Final answer
    x = 8,279.74

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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.