Home / 18,944.82-28,415.61-9,581.22

Finding the Fourth Proportional to 18,944.82, 28,415.61 and 9,581.22

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Solution

The fourth proportional to 18,944.82, 28,415.61 and 9,581.22 is: 14,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.82 : 28,415.61 = 9,581.22 : x
  2. Step 2: Convert to fraction form
    18,944.82/28,415.61 = 9,581.22/x
  3. Step 3: Cross multiply
    18,944.82x = 28,415.61 × 9,581.22
  4. Step 4: Simplify right side
    18,944.82x = 272,256,210.84
  5. Step 5: Solve for x
    x = 272,256,210.84/18,944.82
  6. Step 6: Final answer
    x = 14,371.01

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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.