Home / 22,205.58-30,629.19-14,235.18

Finding the Fourth Proportional to 22,205.58, 30,629.19 and 14,235.18

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Solution

The fourth proportional to 22,205.58, 30,629.19 and 14,235.18 is: 19,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.58 : 30,629.19 = 14,235.18 : x
  2. Step 2: Convert to fraction form
    22,205.58/30,629.19 = 14,235.18/x
  3. Step 3: Cross multiply
    22,205.58x = 30,629.19 × 14,235.18
  4. Step 4: Simplify right side
    22,205.58x = 436,012,032.90
  5. Step 5: Solve for x
    x = 436,012,032.90/22,205.58
  6. Step 6: Final answer
    x = 19,635.25

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Double scale
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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.