Home / 18,280.94-25,223.36-11,110.73

Finding the Fourth Proportional to 18,280.94, 25,223.36 and 11,110.73

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Solution

The fourth proportional to 18,280.94, 25,223.36 and 11,110.73 is: 15,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.94 : 25,223.36 = 11,110.73 : x
  2. Step 2: Convert to fraction form
    18,280.94/25,223.36 = 11,110.73/x
  3. Step 3: Cross multiply
    18,280.94x = 25,223.36 × 11,110.73
  4. Step 4: Simplify right side
    18,280.94x = 280,249,760.98
  5. Step 5: Solve for x
    x = 280,249,760.98/18,280.94
  6. Step 6: Final answer
    x = 15,330.17

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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.