Home / 9,221.28-13,821.12-7,584.96

Finding the Fourth Proportional to 9,221.28, 13,821.12 and 7,584.96

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Solution

The fourth proportional to 9,221.28, 13,821.12 and 7,584.96 is: 11,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.28 : 13,821.12 = 7,584.96 : x
  2. Step 2: Convert to fraction form
    9,221.28/13,821.12 = 7,584.96/x
  3. Step 3: Cross multiply
    9,221.28x = 13,821.12 × 7,584.96
  4. Step 4: Simplify right side
    9,221.28x = 104,832,642.36
  5. Step 5: Solve for x
    x = 104,832,642.36/9,221.28
  6. Step 6: Final answer
    x = 11,368.56

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1.5x scale

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.