Home / 11,339.16-15,651.12-7,360.03

Finding the Fourth Proportional to 11,339.16, 15,651.12 and 7,360.03

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Solution

The fourth proportional to 11,339.16, 15,651.12 and 7,360.03 is: 10,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.16 : 15,651.12 = 7,360.03 : x
  2. Step 2: Convert to fraction form
    11,339.16/15,651.12 = 7,360.03/x
  3. Step 3: Cross multiply
    11,339.16x = 15,651.12 × 7,360.03
  4. Step 4: Simplify right side
    11,339.16x = 115,192,712.73
  5. Step 5: Solve for x
    x = 115,192,712.73/11,339.16
  6. Step 6: Final answer
    x = 10,158.84

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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.