Home / 19,581.84-29,376.96-6,433.68

Finding the Fourth Proportional to 19,581.84, 29,376.96 and 6,433.68

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Solution

The fourth proportional to 19,581.84, 29,376.96 and 6,433.68 is: 9,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.84 : 29,376.96 = 6,433.68 : x
  2. Step 2: Convert to fraction form
    19,581.84/29,376.96 = 6,433.68/x
  3. Step 3: Cross multiply
    19,581.84x = 29,376.96 × 6,433.68
  4. Step 4: Simplify right side
    19,581.84x = 189,001,960.01
  5. Step 5: Solve for x
    x = 189,001,960.01/19,581.84
  6. Step 6: Final answer
    x = 9,651.90

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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.