Home / 19,013.07-28,519.61-5,162.07

Finding the Fourth Proportional to 19,013.07, 28,519.61 and 5,162.07

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Solution

The fourth proportional to 19,013.07, 28,519.61 and 5,162.07 is: 7,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.07 : 28,519.61 = 5,162.07 : x
  2. Step 2: Convert to fraction form
    19,013.07/28,519.61 = 5,162.07/x
  3. Step 3: Cross multiply
    19,013.07x = 28,519.61 × 5,162.07
  4. Step 4: Simplify right side
    19,013.07x = 147,220,197.38
  5. Step 5: Solve for x
    x = 147,220,197.38/19,013.07
  6. Step 6: Final answer
    x = 7,743.11

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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.