Home / 16,960.73-23,400.78-9,885.92

Finding the Fourth Proportional to 16,960.73, 23,400.78 and 9,885.92

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Solution

The fourth proportional to 16,960.73, 23,400.78 and 9,885.92 is: 13,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.73 : 23,400.78 = 9,885.92 : x
  2. Step 2: Convert to fraction form
    16,960.73/23,400.78 = 9,885.92/x
  3. Step 3: Cross multiply
    16,960.73x = 23,400.78 × 9,885.92
  4. Step 4: Simplify right side
    16,960.73x = 231,338,239.02
  5. Step 5: Solve for x
    x = 231,338,239.02/16,960.73
  6. Step 6: Final answer
    x = 13,639.64

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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.