Home / 19,961.39-29,943.61-11,642.24

Finding the Fourth Proportional to 19,961.39, 29,943.61 and 11,642.24

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Solution

The fourth proportional to 19,961.39, 29,943.61 and 11,642.24 is: 17,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.39 : 29,943.61 = 11,642.24 : x
  2. Step 2: Convert to fraction form
    19,961.39/29,943.61 = 11,642.24/x
  3. Step 3: Cross multiply
    19,961.39x = 29,943.61 × 11,642.24
  4. Step 4: Simplify right side
    19,961.39x = 348,610,694.09
  5. Step 5: Solve for x
    x = 348,610,694.09/19,961.39
  6. Step 6: Final answer
    x = 17,464.25

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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.