Home / 11,339.37-15,639.82-7,983.14

Finding the Fourth Proportional to 11,339.37, 15,639.82 and 7,983.14

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Solution

The fourth proportional to 11,339.37, 15,639.82 and 7,983.14 is: 11,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.37 : 15,639.82 = 7,983.14 : x
  2. Step 2: Convert to fraction form
    11,339.37/15,639.82 = 7,983.14/x
  3. Step 3: Cross multiply
    11,339.37x = 15,639.82 × 7,983.14
  4. Step 4: Simplify right side
    11,339.37x = 124,854,774.48
  5. Step 5: Solve for x
    x = 124,854,774.48/11,339.37
  6. Step 6: Final answer
    x = 11,010.73

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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.