Home / 15,012.89-22,519.79-5,152.03

Finding the Fourth Proportional to 15,012.89, 22,519.79 and 5,152.03

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Solution

The fourth proportional to 15,012.89, 22,519.79 and 5,152.03 is: 7,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.89 : 22,519.79 = 5,152.03 : x
  2. Step 2: Convert to fraction form
    15,012.89/22,519.79 = 5,152.03/x
  3. Step 3: Cross multiply
    15,012.89x = 22,519.79 × 5,152.03
  4. Step 4: Simplify right side
    15,012.89x = 116,022,633.67
  5. Step 5: Solve for x
    x = 116,022,633.67/15,012.89
  6. Step 6: Final answer
    x = 7,728.20

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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.