Home / 22,241.77-30,690.97-13,287.51

Finding the Fourth Proportional to 22,241.77, 30,690.97 and 13,287.51

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Solution

The fourth proportional to 22,241.77, 30,690.97 and 13,287.51 is: 18,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.77 : 30,690.97 = 13,287.51 : x
  2. Step 2: Convert to fraction form
    22,241.77/30,690.97 = 13,287.51/x
  3. Step 3: Cross multiply
    22,241.77x = 30,690.97 × 13,287.51
  4. Step 4: Simplify right side
    22,241.77x = 407,806,537.57
  5. Step 5: Solve for x
    x = 407,806,537.57/22,241.77
  6. Step 6: Final answer
    x = 18,335.17

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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.