Home / 19,306.43-26,640.92-10,808

Finding the Fourth Proportional to 19,306.43, 26,640.92 and 10,808

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Solution

The fourth proportional to 19,306.43, 26,640.92 and 10,808 is: 14,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.43 : 26,640.92 = 10,808 : x
  2. Step 2: Convert to fraction form
    19,306.43/26,640.92 = 10,808/x
  3. Step 3: Cross multiply
    19,306.43x = 26,640.92 × 10,808
  4. Step 4: Simplify right side
    19,306.43x = 287,935,063.36
  5. Step 5: Solve for x
    x = 287,935,063.36/19,306.43
  6. Step 6: Final answer
    x = 14,913.95

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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.