Home / 22,284.36-30,754.26-12,727.20

Finding the Fourth Proportional to 22,284.36, 30,754.26 and 12,727.20

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Solution

The fourth proportional to 22,284.36, 30,754.26 and 12,727.20 is: 17,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.36 : 30,754.26 = 12,727.20 : x
  2. Step 2: Convert to fraction form
    22,284.36/30,754.26 = 12,727.20/x
  3. Step 3: Cross multiply
    22,284.36x = 30,754.26 × 12,727.20
  4. Step 4: Simplify right side
    22,284.36x = 391,415,617.87
  5. Step 5: Solve for x
    x = 391,415,617.87/22,284.36
  6. Step 6: Final answer
    x = 17,564.59

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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.