Home / 18,216.50-25,138.08-10,149.96

Finding the Fourth Proportional to 18,216.50, 25,138.08 and 10,149.96

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Solution

The fourth proportional to 18,216.50, 25,138.08 and 10,149.96 is: 14,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.50 : 25,138.08 = 10,149.96 : x
  2. Step 2: Convert to fraction form
    18,216.50/25,138.08 = 10,149.96/x
  3. Step 3: Cross multiply
    18,216.50x = 25,138.08 × 10,149.96
  4. Step 4: Simplify right side
    18,216.50x = 255,150,506.48
  5. Step 5: Solve for x
    x = 255,150,506.48/18,216.50
  6. Step 6: Final answer
    x = 14,006.56

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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.