Home / 9,160.11-13,740.21-6,231.15

Finding the Fourth Proportional to 9,160.11, 13,740.21 and 6,231.15

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Solution

The fourth proportional to 9,160.11, 13,740.21 and 6,231.15 is: 9,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.11 : 13,740.21 = 6,231.15 : x
  2. Step 2: Convert to fraction form
    9,160.11/13,740.21 = 6,231.15/x
  3. Step 3: Cross multiply
    9,160.11x = 13,740.21 × 6,231.15
  4. Step 4: Simplify right side
    9,160.11x = 85,617,309.54
  5. Step 5: Solve for x
    x = 85,617,309.54/9,160.11
  6. Step 6: Final answer
    x = 9,346.76

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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.