Home / 18,649.74-25,739.77-11,935.04

Finding the Fourth Proportional to 18,649.74, 25,739.77 and 11,935.04

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Solution

The fourth proportional to 18,649.74, 25,739.77 and 11,935.04 is: 16,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.74 : 25,739.77 = 11,935.04 : x
  2. Step 2: Convert to fraction form
    18,649.74/25,739.77 = 11,935.04/x
  3. Step 3: Cross multiply
    18,649.74x = 25,739.77 × 11,935.04
  4. Step 4: Simplify right side
    18,649.74x = 307,205,219.05
  5. Step 5: Solve for x
    x = 307,205,219.05/18,649.74
  6. Step 6: Final answer
    x = 16,472.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.