Home / 9,947.28-14,907.84-4,100.64

Finding the Fourth Proportional to 9,947.28, 14,907.84 and 4,100.64

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Solution

The fourth proportional to 9,947.28, 14,907.84 and 4,100.64 is: 6,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.28 : 14,907.84 = 4,100.64 : x
  2. Step 2: Convert to fraction form
    9,947.28/14,907.84 = 4,100.64/x
  3. Step 3: Cross multiply
    9,947.28x = 14,907.84 × 4,100.64
  4. Step 4: Simplify right side
    9,947.28x = 61,131,685.02
  5. Step 5: Solve for x
    x = 61,131,685.02/9,947.28
  6. Step 6: Final answer
    x = 6,145.57

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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.