Home / 10,208.95-15,309.46-3,968.13

Finding the Fourth Proportional to 10,208.95, 15,309.46 and 3,968.13

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Solution

The fourth proportional to 10,208.95, 15,309.46 and 3,968.13 is: 5,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.95 : 15,309.46 = 3,968.13 : x
  2. Step 2: Convert to fraction form
    10,208.95/15,309.46 = 3,968.13/x
  3. Step 3: Cross multiply
    10,208.95x = 15,309.46 × 3,968.13
  4. Step 4: Simplify right side
    10,208.95x = 60,749,989.88
  5. Step 5: Solve for x
    x = 60,749,989.88/10,208.95
  6. Step 6: Final answer
    x = 5,950.66

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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.