Home / 19,965.10-29,898.44-12,551.17

Finding the Fourth Proportional to 19,965.10, 29,898.44 and 12,551.17

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Solution

The fourth proportional to 19,965.10, 29,898.44 and 12,551.17 is: 18,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.10 : 29,898.44 = 12,551.17 : x
  2. Step 2: Convert to fraction form
    19,965.10/29,898.44 = 12,551.17/x
  3. Step 3: Cross multiply
    19,965.10x = 29,898.44 × 12,551.17
  4. Step 4: Simplify right side
    19,965.10x = 375,260,403.17
  5. Step 5: Solve for x
    x = 375,260,403.17/19,965.10
  6. Step 6: Final answer
    x = 18,795.82

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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.