Home / 15,110.37-20,851.89-8,395.82

Finding the Fourth Proportional to 15,110.37, 20,851.89 and 8,395.82

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Solution

The fourth proportional to 15,110.37, 20,851.89 and 8,395.82 is: 11,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.37 : 20,851.89 = 8,395.82 : x
  2. Step 2: Convert to fraction form
    15,110.37/20,851.89 = 8,395.82/x
  3. Step 3: Cross multiply
    15,110.37x = 20,851.89 × 8,395.82
  4. Step 4: Simplify right side
    15,110.37x = 175,068,791.42
  5. Step 5: Solve for x
    x = 175,068,791.42/15,110.37
  6. Step 6: Final answer
    x = 11,586.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.