Home / 15,936.46-21,977.04-10,550.36

Finding the Fourth Proportional to 15,936.46, 21,977.04 and 10,550.36

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Solution

The fourth proportional to 15,936.46, 21,977.04 and 10,550.36 is: 14,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.46 : 21,977.04 = 10,550.36 : x
  2. Step 2: Convert to fraction form
    15,936.46/21,977.04 = 10,550.36/x
  3. Step 3: Cross multiply
    15,936.46x = 21,977.04 × 10,550.36
  4. Step 4: Simplify right side
    15,936.46x = 231,865,683.73
  5. Step 5: Solve for x
    x = 231,865,683.73/15,936.46
  6. Step 6: Final answer
    x = 14,549.38

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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.