Home / 22,228.64-33,321.12-8,185.28

Finding the Fourth Proportional to 22,228.64, 33,321.12 and 8,185.28

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Solution

The fourth proportional to 22,228.64, 33,321.12 and 8,185.28 is: 12,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.64 : 33,321.12 = 8,185.28 : x
  2. Step 2: Convert to fraction form
    22,228.64/33,321.12 = 8,185.28/x
  3. Step 3: Cross multiply
    22,228.64x = 33,321.12 × 8,185.28
  4. Step 4: Simplify right side
    22,228.64x = 272,742,697.11
  5. Step 5: Solve for x
    x = 272,742,697.11/22,228.64
  6. Step 6: Final answer
    x = 12,269.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.