Home / 16,015.52-22,101.20-8,845.28

Finding the Fourth Proportional to 16,015.52, 22,101.20 and 8,845.28

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Solution

The fourth proportional to 16,015.52, 22,101.20 and 8,845.28 is: 12,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.52 : 22,101.20 = 8,845.28 : x
  2. Step 2: Convert to fraction form
    16,015.52/22,101.20 = 8,845.28/x
  3. Step 3: Cross multiply
    16,015.52x = 22,101.20 × 8,845.28
  4. Step 4: Simplify right side
    16,015.52x = 195,491,302.34
  5. Step 5: Solve for x
    x = 195,491,302.34/16,015.52
  6. Step 6: Final answer
    x = 12,206.37

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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.