Home / 22,033.04-30,405.60-11,961.45

Finding the Fourth Proportional to 22,033.04, 30,405.60 and 11,961.45

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Solution

The fourth proportional to 22,033.04, 30,405.60 and 11,961.45 is: 16,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.04 : 30,405.60 = 11,961.45 : x
  2. Step 2: Convert to fraction form
    22,033.04/30,405.60 = 11,961.45/x
  3. Step 3: Cross multiply
    22,033.04x = 30,405.60 × 11,961.45
  4. Step 4: Simplify right side
    22,033.04x = 363,695,064.12
  5. Step 5: Solve for x
    x = 363,695,064.12/22,033.04
  6. Step 6: Final answer
    x = 16,506.81

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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.