Home / 15,206.22-22,812.89-5,211.08

Finding the Fourth Proportional to 15,206.22, 22,812.89 and 5,211.08

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Solution

The fourth proportional to 15,206.22, 22,812.89 and 5,211.08 is: 7,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.22 : 22,812.89 = 5,211.08 : x
  2. Step 2: Convert to fraction form
    15,206.22/22,812.89 = 5,211.08/x
  3. Step 3: Cross multiply
    15,206.22x = 22,812.89 × 5,211.08
  4. Step 4: Simplify right side
    15,206.22x = 118,879,654.70
  5. Step 5: Solve for x
    x = 118,879,654.70/15,206.22
  6. Step 6: Final answer
    x = 7,817.83

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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.