Home / 11,283.28-15,571.80-6,504.72

Finding the Fourth Proportional to 11,283.28, 15,571.80 and 6,504.72

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Solution

The fourth proportional to 11,283.28, 15,571.80 and 6,504.72 is: 8,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.28 : 15,571.80 = 6,504.72 : x
  2. Step 2: Convert to fraction form
    11,283.28/15,571.80 = 6,504.72/x
  3. Step 3: Cross multiply
    11,283.28x = 15,571.80 × 6,504.72
  4. Step 4: Simplify right side
    11,283.28x = 101,290,198.90
  5. Step 5: Solve for x
    x = 101,290,198.90/11,283.28
  6. Step 6: Final answer
    x = 8,977.02

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1.5x scale

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.