Home / 16,814.76-25,219.68-5,721.78

Finding the Fourth Proportional to 16,814.76, 25,219.68 and 5,721.78

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Solution

The fourth proportional to 16,814.76, 25,219.68 and 5,721.78 is: 8,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.76 : 25,219.68 = 5,721.78 : x
  2. Step 2: Convert to fraction form
    16,814.76/25,219.68 = 5,721.78/x
  3. Step 3: Cross multiply
    16,814.76x = 25,219.68 × 5,721.78
  4. Step 4: Simplify right side
    16,814.76x = 144,301,460.63
  5. Step 5: Solve for x
    x = 144,301,460.63/16,814.76
  6. Step 6: Final answer
    x = 8,581.83

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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.