Home / 22,639.04-31,241.92-13,205.84

Finding the Fourth Proportional to 22,639.04, 31,241.92 and 13,205.84

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Solution

The fourth proportional to 22,639.04, 31,241.92 and 13,205.84 is: 18,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.04 : 31,241.92 = 13,205.84 : x
  2. Step 2: Convert to fraction form
    22,639.04/31,241.92 = 13,205.84/x
  3. Step 3: Cross multiply
    22,639.04x = 31,241.92 × 13,205.84
  4. Step 4: Simplify right side
    22,639.04x = 412,575,796.81
  5. Step 5: Solve for x
    x = 412,575,796.81/22,639.04
  6. Step 6: Final answer
    x = 18,224.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.