Home / 22,212.24-33,301.72-13,445.04

Finding the Fourth Proportional to 22,212.24, 33,301.72 and 13,445.04

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Solution

The fourth proportional to 22,212.24, 33,301.72 and 13,445.04 is: 20,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.24 : 33,301.72 = 13,445.04 : x
  2. Step 2: Convert to fraction form
    22,212.24/33,301.72 = 13,445.04/x
  3. Step 3: Cross multiply
    22,212.24x = 33,301.72 × 13,445.04
  4. Step 4: Simplify right side
    22,212.24x = 447,742,957.47
  5. Step 5: Solve for x
    x = 447,742,957.47/22,212.24
  6. Step 6: Final answer
    x = 20,157.49

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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.