Home / 18,649.50-27,965.47-5,499.28

Finding the Fourth Proportional to 18,649.50, 27,965.47 and 5,499.28

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Solution

The fourth proportional to 18,649.50, 27,965.47 and 5,499.28 is: 8,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.50 : 27,965.47 = 5,499.28 : x
  2. Step 2: Convert to fraction form
    18,649.50/27,965.47 = 5,499.28/x
  3. Step 3: Cross multiply
    18,649.50x = 27,965.47 × 5,499.28
  4. Step 4: Simplify right side
    18,649.50x = 153,789,949.86
  5. Step 5: Solve for x
    x = 153,789,949.86/18,649.50
  6. Step 6: Final answer
    x = 8,246.33

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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.