Home / 10,977.66-16,467.30-3,581.91

Finding the Fourth Proportional to 10,977.66, 16,467.30 and 3,581.91

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Solution

The fourth proportional to 10,977.66, 16,467.30 and 3,581.91 is: 5,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.66 : 16,467.30 = 3,581.91 : x
  2. Step 2: Convert to fraction form
    10,977.66/16,467.30 = 3,581.91/x
  3. Step 3: Cross multiply
    10,977.66x = 16,467.30 × 3,581.91
  4. Step 4: Simplify right side
    10,977.66x = 58,984,386.54
  5. Step 5: Solve for x
    x = 58,984,386.54/10,977.66
  6. Step 6: Final answer
    x = 5,373.13

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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.