Home / 18,699.56-25,805.31-10,201.55

Finding the Fourth Proportional to 18,699.56, 25,805.31 and 10,201.55

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Solution

The fourth proportional to 18,699.56, 25,805.31 and 10,201.55 is: 14,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.56 : 25,805.31 = 10,201.55 : x
  2. Step 2: Convert to fraction form
    18,699.56/25,805.31 = 10,201.55/x
  3. Step 3: Cross multiply
    18,699.56x = 25,805.31 × 10,201.55
  4. Step 4: Simplify right side
    18,699.56x = 263,254,160.23
  5. Step 5: Solve for x
    x = 263,254,160.23/18,699.56
  6. Step 6: Final answer
    x = 14,078.09

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1.5x scale

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.