Home / 10,124.24-15,185.15-2,729.28

Finding the Fourth Proportional to 10,124.24, 15,185.15 and 2,729.28

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Solution

The fourth proportional to 10,124.24, 15,185.15 and 2,729.28 is: 4,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.24 : 15,185.15 = 2,729.28 : x
  2. Step 2: Convert to fraction form
    10,124.24/15,185.15 = 2,729.28/x
  3. Step 3: Cross multiply
    10,124.24x = 15,185.15 × 2,729.28
  4. Step 4: Simplify right side
    10,124.24x = 41,444,509.66
  5. Step 5: Solve for x
    x = 41,444,509.66/10,124.24
  6. Step 6: Final answer
    x = 4,093.59

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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.