Home / 11,522.25-17,284.59-5,281.20

Finding the Fourth Proportional to 11,522.25, 17,284.59 and 5,281.20

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Solution

The fourth proportional to 11,522.25, 17,284.59 and 5,281.20 is: 7,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.25 : 17,284.59 = 5,281.20 : x
  2. Step 2: Convert to fraction form
    11,522.25/17,284.59 = 5,281.20/x
  3. Step 3: Cross multiply
    11,522.25x = 17,284.59 × 5,281.20
  4. Step 4: Simplify right side
    11,522.25x = 91,283,376.71
  5. Step 5: Solve for x
    x = 91,283,376.71/11,522.25
  6. Step 6: Final answer
    x = 7,922.36

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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.