Home / 15,908.78-21,960.24-10,601.66

Finding the Fourth Proportional to 15,908.78, 21,960.24 and 10,601.66

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Solution

The fourth proportional to 15,908.78, 21,960.24 and 10,601.66 is: 14,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.78 : 21,960.24 = 10,601.66 : x
  2. Step 2: Convert to fraction form
    15,908.78/21,960.24 = 10,601.66/x
  3. Step 3: Cross multiply
    15,908.78x = 21,960.24 × 10,601.66
  4. Step 4: Simplify right side
    15,908.78x = 232,814,998.00
  5. Step 5: Solve for x
    x = 232,814,998.00/15,908.78
  6. Step 6: Final answer
    x = 14,634.37

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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.