Home / 15,965.73-22,037.82-10,300.64

Finding the Fourth Proportional to 15,965.73, 22,037.82 and 10,300.64

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Solution

The fourth proportional to 15,965.73, 22,037.82 and 10,300.64 is: 14,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.73 : 22,037.82 = 10,300.64 : x
  2. Step 2: Convert to fraction form
    15,965.73/22,037.82 = 10,300.64/x
  3. Step 3: Cross multiply
    15,965.73x = 22,037.82 × 10,300.64
  4. Step 4: Simplify right side
    15,965.73x = 227,003,584.03
  5. Step 5: Solve for x
    x = 227,003,584.03/15,965.73
  6. Step 6: Final answer
    x = 14,218.18

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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.