Home / 10,217.81-15,328.91-3,197.68

Finding the Fourth Proportional to 10,217.81, 15,328.91 and 3,197.68

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Solution

The fourth proportional to 10,217.81, 15,328.91 and 3,197.68 is: 4,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.81 : 15,328.91 = 3,197.68 : x
  2. Step 2: Convert to fraction form
    10,217.81/15,328.91 = 3,197.68/x
  3. Step 3: Cross multiply
    10,217.81x = 15,328.91 × 3,197.68
  4. Step 4: Simplify right side
    10,217.81x = 49,016,918.60
  5. Step 5: Solve for x
    x = 49,016,918.60/10,217.81
  6. Step 6: Final answer
    x = 4,797.20

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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.