Home / 10,170.66-15,246.60-3,928.80

Finding the Fourth Proportional to 10,170.66, 15,246.60 and 3,928.80

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Solution

The fourth proportional to 10,170.66, 15,246.60 and 3,928.80 is: 5,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.66 : 15,246.60 = 3,928.80 : x
  2. Step 2: Convert to fraction form
    10,170.66/15,246.60 = 3,928.80/x
  3. Step 3: Cross multiply
    10,170.66x = 15,246.60 × 3,928.80
  4. Step 4: Simplify right side
    10,170.66x = 59,900,842.08
  5. Step 5: Solve for x
    x = 59,900,842.08/10,170.66
  6. Step 6: Final answer
    x = 5,889.57

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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.