Home / 22,225.28-33,323.84-11,128.96

Finding the Fourth Proportional to 22,225.28, 33,323.84 and 11,128.96

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Solution

The fourth proportional to 22,225.28, 33,323.84 and 11,128.96 is: 16,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.28 : 33,323.84 = 11,128.96 : x
  2. Step 2: Convert to fraction form
    22,225.28/33,323.84 = 11,128.96/x
  3. Step 3: Cross multiply
    22,225.28x = 33,323.84 × 11,128.96
  4. Step 4: Simplify right side
    22,225.28x = 370,859,682.41
  5. Step 5: Solve for x
    x = 370,859,682.41/22,225.28
  6. Step 6: Final answer
    x = 16,686.39

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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.