Home / 22,014.40-33,025.20-7,221.52

Finding the Fourth Proportional to 22,014.40, 33,025.20 and 7,221.52

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Solution

The fourth proportional to 22,014.40, 33,025.20 and 7,221.52 is: 10,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.40 : 33,025.20 = 7,221.52 : x
  2. Step 2: Convert to fraction form
    22,014.40/33,025.20 = 7,221.52/x
  3. Step 3: Cross multiply
    22,014.40x = 33,025.20 × 7,221.52
  4. Step 4: Simplify right side
    22,014.40x = 238,492,142.30
  5. Step 5: Solve for x
    x = 238,492,142.30/22,014.40
  6. Step 6: Final answer
    x = 10,833.46

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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.