Home / 11,103.21-15,339.11-7,283.93

Finding the Fourth Proportional to 11,103.21, 15,339.11 and 7,283.93

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Solution

The fourth proportional to 11,103.21, 15,339.11 and 7,283.93 is: 10,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.21 : 15,339.11 = 7,283.93 : x
  2. Step 2: Convert to fraction form
    11,103.21/15,339.11 = 7,283.93/x
  3. Step 3: Cross multiply
    11,103.21x = 15,339.11 × 7,283.93
  4. Step 4: Simplify right side
    11,103.21x = 111,728,890.39
  5. Step 5: Solve for x
    x = 111,728,890.39/11,103.21
  6. Step 6: Final answer
    x = 10,062.76

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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.