Home / 15,611.07-21,522.94-11,362.82

Finding the Fourth Proportional to 15,611.07, 21,522.94 and 11,362.82

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Solution

The fourth proportional to 15,611.07, 21,522.94 and 11,362.82 is: 15,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.07 : 21,522.94 = 11,362.82 : x
  2. Step 2: Convert to fraction form
    15,611.07/21,522.94 = 11,362.82/x
  3. Step 3: Cross multiply
    15,611.07x = 21,522.94 × 11,362.82
  4. Step 4: Simplify right side
    15,611.07x = 244,561,318.49
  5. Step 5: Solve for x
    x = 244,561,318.49/15,611.07
  6. Step 6: Final answer
    x = 15,665.89

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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.