Home / 9,868.52-13,619.51-5,392.95

Finding the Fourth Proportional to 9,868.52, 13,619.51 and 5,392.95

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Solution

The fourth proportional to 9,868.52, 13,619.51 and 5,392.95 is: 7,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.52 : 13,619.51 = 5,392.95 : x
  2. Step 2: Convert to fraction form
    9,868.52/13,619.51 = 5,392.95/x
  3. Step 3: Cross multiply
    9,868.52x = 13,619.51 × 5,392.95
  4. Step 4: Simplify right side
    9,868.52x = 73,449,336.45
  5. Step 5: Solve for x
    x = 73,449,336.45/9,868.52
  6. Step 6: Final answer
    x = 7,442.79

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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.