Home / 10,198.02-15,303.30-3,958.71

Finding the Fourth Proportional to 10,198.02, 15,303.30 and 3,958.71

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Solution

The fourth proportional to 10,198.02, 15,303.30 and 3,958.71 is: 5,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.02 : 15,303.30 = 3,958.71 : x
  2. Step 2: Convert to fraction form
    10,198.02/15,303.30 = 3,958.71/x
  3. Step 3: Cross multiply
    10,198.02x = 15,303.30 × 3,958.71
  4. Step 4: Simplify right side
    10,198.02x = 60,581,326.74
  5. Step 5: Solve for x
    x = 60,581,326.74/10,198.02
  6. Step 6: Final answer
    x = 5,940.50

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1.5x scale

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.