Home / 15,012.83-22,519.70-5,151.96

Finding the Fourth Proportional to 15,012.83, 22,519.70 and 5,151.96

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Solution

The fourth proportional to 15,012.83, 22,519.70 and 5,151.96 is: 7,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.83 : 22,519.70 = 5,151.96 : x
  2. Step 2: Convert to fraction form
    15,012.83/22,519.70 = 5,151.96/x
  3. Step 3: Cross multiply
    15,012.83x = 22,519.70 × 5,151.96
  4. Step 4: Simplify right side
    15,012.83x = 116,020,567.85
  5. Step 5: Solve for x
    x = 116,020,567.85/15,012.83
  6. Step 6: Final answer
    x = 7,728.10

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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.