Home / 17,619.78-24,291.77-13,997.84

Finding the Fourth Proportional to 17,619.78, 24,291.77 and 13,997.84

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Solution

The fourth proportional to 17,619.78, 24,291.77 and 13,997.84 is: 19,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.78 : 24,291.77 = 13,997.84 : x
  2. Step 2: Convert to fraction form
    17,619.78/24,291.77 = 13,997.84/x
  3. Step 3: Cross multiply
    17,619.78x = 24,291.77 × 13,997.84
  4. Step 4: Simplify right side
    17,619.78x = 340,032,118.33
  5. Step 5: Solve for x
    x = 340,032,118.33/17,619.78
  6. Step 6: Final answer
    x = 19,298.32

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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.