Home / 15,608.38-21,539.42-8,534.82

Finding the Fourth Proportional to 15,608.38, 21,539.42 and 8,534.82

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Solution

The fourth proportional to 15,608.38, 21,539.42 and 8,534.82 is: 11,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.38 : 21,539.42 = 8,534.82 : x
  2. Step 2: Convert to fraction form
    15,608.38/21,539.42 = 8,534.82/x
  3. Step 3: Cross multiply
    15,608.38x = 21,539.42 × 8,534.82
  4. Step 4: Simplify right side
    15,608.38x = 183,835,072.60
  5. Step 5: Solve for x
    x = 183,835,072.60/15,608.38
  6. Step 6: Final answer
    x = 11,777.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.