Home / 15,906.78-21,957.48-10,599.66

Finding the Fourth Proportional to 15,906.78, 21,957.48 and 10,599.66

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Solution

The fourth proportional to 15,906.78, 21,957.48 and 10,599.66 is: 14,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.78 : 21,957.48 = 10,599.66 : x
  2. Step 2: Convert to fraction form
    15,906.78/21,957.48 = 10,599.66/x
  3. Step 3: Cross multiply
    15,906.78x = 21,957.48 × 10,599.66
  4. Step 4: Simplify right side
    15,906.78x = 232,741,822.46
  5. Step 5: Solve for x
    x = 232,741,822.46/15,906.78
  6. Step 6: Final answer
    x = 14,631.61

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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.