Home / 19,144.16-28,717.61-5,104.11

Finding the Fourth Proportional to 19,144.16, 28,717.61 and 5,104.11

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Solution

The fourth proportional to 19,144.16, 28,717.61 and 5,104.11 is: 7,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.16 : 28,717.61 = 5,104.11 : x
  2. Step 2: Convert to fraction form
    19,144.16/28,717.61 = 5,104.11/x
  3. Step 3: Cross multiply
    19,144.16x = 28,717.61 × 5,104.11
  4. Step 4: Simplify right side
    19,144.16x = 146,577,814.86
  5. Step 5: Solve for x
    x = 146,577,814.86/19,144.16
  6. Step 6: Final answer
    x = 7,656.53

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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.