Home / 14,344.96-19,789.76-8,376

Finding the Fourth Proportional to 14,344.96, 19,789.76 and 8,376

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Solution

The fourth proportional to 14,344.96, 19,789.76 and 8,376 is: 11,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.96 : 19,789.76 = 8,376 : x
  2. Step 2: Convert to fraction form
    14,344.96/19,789.76 = 8,376/x
  3. Step 3: Cross multiply
    14,344.96x = 19,789.76 × 8,376
  4. Step 4: Simplify right side
    14,344.96x = 165,759,029.76
  5. Step 5: Solve for x
    x = 165,759,029.76/14,344.96
  6. Step 6: Final answer
    x = 11,555.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.