Home / 18,944.69-28,424.32-7,255.17

Finding the Fourth Proportional to 18,944.69, 28,424.32 and 7,255.17

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Solution

The fourth proportional to 18,944.69, 28,424.32 and 7,255.17 is: 10,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.69 : 28,424.32 = 7,255.17 : x
  2. Step 2: Convert to fraction form
    18,944.69/28,424.32 = 7,255.17/x
  3. Step 3: Cross multiply
    18,944.69x = 28,424.32 × 7,255.17
  4. Step 4: Simplify right side
    18,944.69x = 206,223,255.60
  5. Step 5: Solve for x
    x = 206,223,255.60/18,944.69
  6. Step 6: Final answer
    x = 10,885.55

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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.