Home / 11,211.30-15,465.12-6,732.42

Finding the Fourth Proportional to 11,211.30, 15,465.12 and 6,732.42

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Solution

The fourth proportional to 11,211.30, 15,465.12 and 6,732.42 is: 9,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.30 : 15,465.12 = 6,732.42 : x
  2. Step 2: Convert to fraction form
    11,211.30/15,465.12 = 6,732.42/x
  3. Step 3: Cross multiply
    11,211.30x = 15,465.12 × 6,732.42
  4. Step 4: Simplify right side
    11,211.30x = 104,117,683.19
  5. Step 5: Solve for x
    x = 104,117,683.19/11,211.30
  6. Step 6: Final answer
    x = 9,286.85

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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.