Home / 11,207.66-15,465.95-6,171.68

Finding the Fourth Proportional to 11,207.66, 15,465.95 and 6,171.68

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Solution

The fourth proportional to 11,207.66, 15,465.95 and 6,171.68 is: 8,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.66 : 15,465.95 = 6,171.68 : x
  2. Step 2: Convert to fraction form
    11,207.66/15,465.95 = 6,171.68/x
  3. Step 3: Cross multiply
    11,207.66x = 15,465.95 × 6,171.68
  4. Step 4: Simplify right side
    11,207.66x = 95,450,786.11
  5. Step 5: Solve for x
    x = 95,450,786.11/11,207.66
  6. Step 6: Final answer
    x = 8,516.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.