Home / 19,850.40-29,764.26-8,154

Finding the Fourth Proportional to 19,850.40, 29,764.26 and 8,154

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Solution

The fourth proportional to 19,850.40, 29,764.26 and 8,154 is: 12,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.40 : 29,764.26 = 8,154 : x
  2. Step 2: Convert to fraction form
    19,850.40/29,764.26 = 8,154/x
  3. Step 3: Cross multiply
    19,850.40x = 29,764.26 × 8,154
  4. Step 4: Simplify right side
    19,850.40x = 242,697,776.04
  5. Step 5: Solve for x
    x = 242,697,776.04/19,850.40
  6. Step 6: Final answer
    x = 12,226.34

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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.