Home / 10,194.52-15,291.66-3,870.64

Finding the Fourth Proportional to 10,194.52, 15,291.66 and 3,870.64

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Solution

The fourth proportional to 10,194.52, 15,291.66 and 3,870.64 is: 5,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.52 : 15,291.66 = 3,870.64 : x
  2. Step 2: Convert to fraction form
    10,194.52/15,291.66 = 3,870.64/x
  3. Step 3: Cross multiply
    10,194.52x = 15,291.66 × 3,870.64
  4. Step 4: Simplify right side
    10,194.52x = 59,188,510.86
  5. Step 5: Solve for x
    x = 59,188,510.86/10,194.52
  6. Step 6: Final answer
    x = 5,805.91

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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.