Home / 22,212.04-33,251.64-13,420.30

Finding the Fourth Proportional to 22,212.04, 33,251.64 and 13,420.30

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Solution

The fourth proportional to 22,212.04, 33,251.64 and 13,420.30 is: 20,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.04 : 33,251.64 = 13,420.30 : x
  2. Step 2: Convert to fraction form
    22,212.04/33,251.64 = 13,420.30/x
  3. Step 3: Cross multiply
    22,212.04x = 33,251.64 × 13,420.30
  4. Step 4: Simplify right side
    22,212.04x = 446,246,984.29
  5. Step 5: Solve for x
    x = 446,246,984.29/22,212.04
  6. Step 6: Final answer
    x = 20,090.32

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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.