Home / 19,890.46-29,835.61-8,044.08

Finding the Fourth Proportional to 19,890.46, 29,835.61 and 8,044.08

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Solution

The fourth proportional to 19,890.46, 29,835.61 and 8,044.08 is: 12,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.46 : 29,835.61 = 8,044.08 : x
  2. Step 2: Convert to fraction form
    19,890.46/29,835.61 = 8,044.08/x
  3. Step 3: Cross multiply
    19,890.46x = 29,835.61 × 8,044.08
  4. Step 4: Simplify right side
    19,890.46x = 239,999,901.70
  5. Step 5: Solve for x
    x = 239,999,901.70/19,890.46
  6. Step 6: Final answer
    x = 12,066.08

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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.