Home / 10,185.02-15,277.54-2,789.54

Finding the Fourth Proportional to 10,185.02, 15,277.54 and 2,789.54

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Solution

The fourth proportional to 10,185.02, 15,277.54 and 2,789.54 is: 4,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.02 : 15,277.54 = 2,789.54 : x
  2. Step 2: Convert to fraction form
    10,185.02/15,277.54 = 2,789.54/x
  3. Step 3: Cross multiply
    10,185.02x = 15,277.54 × 2,789.54
  4. Step 4: Simplify right side
    10,185.02x = 42,617,308.93
  5. Step 5: Solve for x
    x = 42,617,308.93/10,185.02
  6. Step 6: Final answer
    x = 4,184.31

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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.