Home / 15,100.20-22,628.70-11,120.40

Finding the Fourth Proportional to 15,100.20, 22,628.70 and 11,120.40

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Solution

The fourth proportional to 15,100.20, 22,628.70 and 11,120.40 is: 16,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.20 : 22,628.70 = 11,120.40 : x
  2. Step 2: Convert to fraction form
    15,100.20/22,628.70 = 11,120.40/x
  3. Step 3: Cross multiply
    15,100.20x = 22,628.70 × 11,120.40
  4. Step 4: Simplify right side
    15,100.20x = 251,640,195.48
  5. Step 5: Solve for x
    x = 251,640,195.48/15,100.20
  6. Step 6: Final answer
    x = 16,664.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.