Home / 22,066.20-30,448.35-13,110.44

Finding the Fourth Proportional to 22,066.20, 30,448.35 and 13,110.44

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Solution

The fourth proportional to 22,066.20, 30,448.35 and 13,110.44 is: 18,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.20 : 30,448.35 = 13,110.44 : x
  2. Step 2: Convert to fraction form
    22,066.20/30,448.35 = 13,110.44/x
  3. Step 3: Cross multiply
    22,066.20x = 30,448.35 × 13,110.44
  4. Step 4: Simplify right side
    22,066.20x = 399,191,113.53
  5. Step 5: Solve for x
    x = 399,191,113.53/22,066.20
  6. Step 6: Final answer
    x = 18,090.61

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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.