Home / 12,444.39-18,666.60-4,122.17

Finding the Fourth Proportional to 12,444.39, 18,666.60 and 4,122.17

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Solution

The fourth proportional to 12,444.39, 18,666.60 and 4,122.17 is: 6,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.39 : 18,666.60 = 4,122.17 : x
  2. Step 2: Convert to fraction form
    12,444.39/18,666.60 = 4,122.17/x
  3. Step 3: Cross multiply
    12,444.39x = 18,666.60 × 4,122.17
  4. Step 4: Simplify right side
    12,444.39x = 76,946,987.92
  5. Step 5: Solve for x
    x = 76,946,987.92/12,444.39
  6. Step 6: Final answer
    x = 6,183.27

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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.