Home / 15,908.73-21,964.14-10,245.66

Finding the Fourth Proportional to 15,908.73, 21,964.14 and 10,245.66

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Solution

The fourth proportional to 15,908.73, 21,964.14 and 10,245.66 is: 14,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.73 : 21,964.14 = 10,245.66 : x
  2. Step 2: Convert to fraction form
    15,908.73/21,964.14 = 10,245.66/x
  3. Step 3: Cross multiply
    15,908.73x = 21,964.14 × 10,245.66
  4. Step 4: Simplify right side
    15,908.73x = 225,037,110.63
  5. Step 5: Solve for x
    x = 225,037,110.63/15,908.73
  6. Step 6: Final answer
    x = 14,145.51

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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.