Home / 22,124.90-33,109.34-13,808.80

Finding the Fourth Proportional to 22,124.90, 33,109.34 and 13,808.80

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Solution

The fourth proportional to 22,124.90, 33,109.34 and 13,808.80 is: 20,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.90 : 33,109.34 = 13,808.80 : x
  2. Step 2: Convert to fraction form
    22,124.90/33,109.34 = 13,808.80/x
  3. Step 3: Cross multiply
    22,124.90x = 33,109.34 × 13,808.80
  4. Step 4: Simplify right side
    22,124.90x = 457,200,254.19
  5. Step 5: Solve for x
    x = 457,200,254.19/22,124.90
  6. Step 6: Final answer
    x = 20,664.51

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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.