Home / 9,975.90-14,959.28-3,399.41

Finding the Fourth Proportional to 9,975.90, 14,959.28 and 3,399.41

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Solution

The fourth proportional to 9,975.90, 14,959.28 and 3,399.41 is: 5,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.90 : 14,959.28 = 3,399.41 : x
  2. Step 2: Convert to fraction form
    9,975.90/14,959.28 = 3,399.41/x
  3. Step 3: Cross multiply
    9,975.90x = 14,959.28 × 3,399.41
  4. Step 4: Simplify right side
    9,975.90x = 50,852,634.23
  5. Step 5: Solve for x
    x = 50,852,634.23/9,975.90
  6. Step 6: Final answer
    x = 5,097.55

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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.