Home / 65,863.69-98,795.78-15,943.70

Finding the Fourth Proportional to 65,863.69, 98,795.78 and 15,943.70

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Solution

The fourth proportional to 65,863.69, 98,795.78 and 15,943.70 is: 23,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863.69 : 98,795.78 = 15,943.70 : x
  2. Step 2: Convert to fraction form
    65,863.69/98,795.78 = 15,943.70/x
  3. Step 3: Cross multiply
    65,863.69x = 98,795.78 × 15,943.70
  4. Step 4: Simplify right side
    65,863.69x = 1,575,170,277.59
  5. Step 5: Solve for x
    x = 1,575,170,277.59/65,863.69
  6. Step 6: Final answer
    x = 23,915.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.