Home / 14,577.41-20,113.25-8,202.75

Finding the Fourth Proportional to 14,577.41, 20,113.25 and 8,202.75

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Solution

The fourth proportional to 14,577.41, 20,113.25 and 8,202.75 is: 11,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.41 : 20,113.25 = 8,202.75 : x
  2. Step 2: Convert to fraction form
    14,577.41/20,113.25 = 8,202.75/x
  3. Step 3: Cross multiply
    14,577.41x = 20,113.25 × 8,202.75
  4. Step 4: Simplify right side
    14,577.41x = 164,983,920.42
  5. Step 5: Solve for x
    x = 164,983,920.42/14,577.41
  6. Step 6: Final answer
    x = 11,317.78

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Half scale
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Double scale
Find fourth proportional to 14,578.41, 20,114.62 and 8,203.75
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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.