Home / 10,517.88-15,777.66-3,497.64

Finding the Fourth Proportional to 10,517.88, 15,777.66 and 3,497.64

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Solution

The fourth proportional to 10,517.88, 15,777.66 and 3,497.64 is: 5,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.88 : 15,777.66 = 3,497.64 : x
  2. Step 2: Convert to fraction form
    10,517.88/15,777.66 = 3,497.64/x
  3. Step 3: Cross multiply
    10,517.88x = 15,777.66 × 3,497.64
  4. Step 4: Simplify right side
    10,517.88x = 55,184,574.72
  5. Step 5: Solve for x
    x = 55,184,574.72/10,517.88
  6. Step 6: Final answer
    x = 5,246.74

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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.