Home / 15,531.97-23,281.56-7,623.49

Finding the Fourth Proportional to 15,531.97, 23,281.56 and 7,623.49

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Solution

The fourth proportional to 15,531.97, 23,281.56 and 7,623.49 is: 11,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.97 : 23,281.56 = 7,623.49 : x
  2. Step 2: Convert to fraction form
    15,531.97/23,281.56 = 7,623.49/x
  3. Step 3: Cross multiply
    15,531.97x = 23,281.56 × 7,623.49
  4. Step 4: Simplify right side
    15,531.97x = 177,486,739.84
  5. Step 5: Solve for x
    x = 177,486,739.84/15,531.97
  6. Step 6: Final answer
    x = 11,427.19

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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.