Home / 18,747.02-25,872.02-10,789.07

Finding the Fourth Proportional to 18,747.02, 25,872.02 and 10,789.07

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Solution

The fourth proportional to 18,747.02, 25,872.02 and 10,789.07 is: 14,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.02 : 25,872.02 = 10,789.07 : x
  2. Step 2: Convert to fraction form
    18,747.02/25,872.02 = 10,789.07/x
  3. Step 3: Cross multiply
    18,747.02x = 25,872.02 × 10,789.07
  4. Step 4: Simplify right side
    18,747.02x = 279,134,851.52
  5. Step 5: Solve for x
    x = 279,134,851.52/18,747.02
  6. Step 6: Final answer
    x = 14,889.56

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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.