Home / 11,439.36-17,159.04-7,361.28

Finding the Fourth Proportional to 11,439.36, 17,159.04 and 7,361.28

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Solution

The fourth proportional to 11,439.36, 17,159.04 and 7,361.28 is: 11,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.36 : 17,159.04 = 7,361.28 : x
  2. Step 2: Convert to fraction form
    11,439.36/17,159.04 = 7,361.28/x
  3. Step 3: Cross multiply
    11,439.36x = 17,159.04 × 7,361.28
  4. Step 4: Simplify right side
    11,439.36x = 126,312,497.97
  5. Step 5: Solve for x
    x = 126,312,497.97/11,439.36
  6. Step 6: Final answer
    x = 11,041.92

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Similar ratio
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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.