Home / 16,129.58-22,258.37-8,959.26

Finding the Fourth Proportional to 16,129.58, 22,258.37 and 8,959.26

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Solution

The fourth proportional to 16,129.58, 22,258.37 and 8,959.26 is: 12,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.58 : 22,258.37 = 8,959.26 : x
  2. Step 2: Convert to fraction form
    16,129.58/22,258.37 = 8,959.26/x
  3. Step 3: Cross multiply
    16,129.58x = 22,258.37 × 8,959.26
  4. Step 4: Simplify right side
    16,129.58x = 199,418,479.21
  5. Step 5: Solve for x
    x = 199,418,479.21/16,129.58
  6. Step 6: Final answer
    x = 12,363.53

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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.