Home / 14,234.84-21,352.20-7,994.90

Finding the Fourth Proportional to 14,234.84, 21,352.20 and 7,994.90

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Solution

The fourth proportional to 14,234.84, 21,352.20 and 7,994.90 is: 11,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.84 : 21,352.20 = 7,994.90 : x
  2. Step 2: Convert to fraction form
    14,234.84/21,352.20 = 7,994.90/x
  3. Step 3: Cross multiply
    14,234.84x = 21,352.20 × 7,994.90
  4. Step 4: Simplify right side
    14,234.84x = 170,708,703.78
  5. Step 5: Solve for x
    x = 170,708,703.78/14,234.84
  6. Step 6: Final answer
    x = 11,992.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.