Home / 22,203-30,627.18-13,822.20

Finding the Fourth Proportional to 22,203, 30,627.18 and 13,822.20

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Solution

The fourth proportional to 22,203, 30,627.18 and 13,822.20 is: 19,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203 : 30,627.18 = 13,822.20 : x
  2. Step 2: Convert to fraction form
    22,203/30,627.18 = 13,822.20/x
  3. Step 3: Cross multiply
    22,203x = 30,627.18 × 13,822.20
  4. Step 4: Simplify right side
    22,203x = 423,335,007.40
  5. Step 5: Solve for x
    x = 423,335,007.40/22,203
  6. Step 6: Final answer
    x = 19,066.57

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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.