Home / 9,868.34-14,780.84-7,100.36

Finding the Fourth Proportional to 9,868.34, 14,780.84 and 7,100.36

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Solution

The fourth proportional to 9,868.34, 14,780.84 and 7,100.36 is: 10,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.34 : 14,780.84 = 7,100.36 : x
  2. Step 2: Convert to fraction form
    9,868.34/14,780.84 = 7,100.36/x
  3. Step 3: Cross multiply
    9,868.34x = 14,780.84 × 7,100.36
  4. Step 4: Simplify right side
    9,868.34x = 104,949,286.55
  5. Step 5: Solve for x
    x = 104,949,286.55/9,868.34
  6. Step 6: Final answer
    x = 10,634.95

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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.