Home / 16,028.39-22,119.57-8,955.26

Finding the Fourth Proportional to 16,028.39, 22,119.57 and 8,955.26

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Solution

The fourth proportional to 16,028.39, 22,119.57 and 8,955.26 is: 12,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.39 : 22,119.57 = 8,955.26 : x
  2. Step 2: Convert to fraction form
    16,028.39/22,119.57 = 8,955.26/x
  3. Step 3: Cross multiply
    16,028.39x = 22,119.57 × 8,955.26
  4. Step 4: Simplify right side
    16,028.39x = 198,086,389.84
  5. Step 5: Solve for x
    x = 198,086,389.84/16,028.39
  6. Step 6: Final answer
    x = 12,358.47

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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.