Home / 15,531.48-23,287.68-7,623.95

Finding the Fourth Proportional to 15,531.48, 23,287.68 and 7,623.95

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Solution

The fourth proportional to 15,531.48, 23,287.68 and 7,623.95 is: 11,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.48 : 23,287.68 = 7,623.95 : x
  2. Step 2: Convert to fraction form
    15,531.48/23,287.68 = 7,623.95/x
  3. Step 3: Cross multiply
    15,531.48x = 23,287.68 × 7,623.95
  4. Step 4: Simplify right side
    15,531.48x = 177,544,069.82
  5. Step 5: Solve for x
    x = 177,544,069.82/15,531.48
  6. Step 6: Final answer
    x = 11,431.24

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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.