Home / 12,400.56-18,603.54-4,080.24

Finding the Fourth Proportional to 12,400.56, 18,603.54 and 4,080.24

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Solution

The fourth proportional to 12,400.56, 18,603.54 and 4,080.24 is: 6,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.56 : 18,603.54 = 4,080.24 : x
  2. Step 2: Convert to fraction form
    12,400.56/18,603.54 = 4,080.24/x
  3. Step 3: Cross multiply
    12,400.56x = 18,603.54 × 4,080.24
  4. Step 4: Simplify right side
    12,400.56x = 75,906,908.05
  5. Step 5: Solve for x
    x = 75,906,908.05/12,400.56
  6. Step 6: Final answer
    x = 6,121.25

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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.