Home / 16,143.64-22,278.20-8,973.33

Finding the Fourth Proportional to 16,143.64, 22,278.20 and 8,973.33

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Solution

The fourth proportional to 16,143.64, 22,278.20 and 8,973.33 is: 12,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.64 : 22,278.20 = 8,973.33 : x
  2. Step 2: Convert to fraction form
    16,143.64/22,278.20 = 8,973.33/x
  3. Step 3: Cross multiply
    16,143.64x = 22,278.20 × 8,973.33
  4. Step 4: Simplify right side
    16,143.64x = 199,909,640.41
  5. Step 5: Solve for x
    x = 199,909,640.41/16,143.64
  6. Step 6: Final answer
    x = 12,383.18

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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.