Home / 16,872.32-25,309.68-6,484.04

Finding the Fourth Proportional to 16,872.32, 25,309.68 and 6,484.04

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Solution

The fourth proportional to 16,872.32, 25,309.68 and 6,484.04 is: 9,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.32 : 25,309.68 = 6,484.04 : x
  2. Step 2: Convert to fraction form
    16,872.32/25,309.68 = 6,484.04/x
  3. Step 3: Cross multiply
    16,872.32x = 25,309.68 × 6,484.04
  4. Step 4: Simplify right side
    16,872.32x = 164,108,977.51
  5. Step 5: Solve for x
    x = 164,108,977.51/16,872.32
  6. Step 6: Final answer
    x = 9,726.52

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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.