Home / 18,220.14-27,328.16-4,894.44

Finding the Fourth Proportional to 18,220.14, 27,328.16 and 4,894.44

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Solution

The fourth proportional to 18,220.14, 27,328.16 and 4,894.44 is: 7,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.14 : 27,328.16 = 4,894.44 : x
  2. Step 2: Convert to fraction form
    18,220.14/27,328.16 = 4,894.44/x
  3. Step 3: Cross multiply
    18,220.14x = 27,328.16 × 4,894.44
  4. Step 4: Simplify right side
    18,220.14x = 133,756,039.43
  5. Step 5: Solve for x
    x = 133,756,039.43/18,220.14
  6. Step 6: Final answer
    x = 7,341.11

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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.