Home / 16,858.13-25,288.40-6,469.88

Finding the Fourth Proportional to 16,858.13, 25,288.40 and 6,469.88

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Solution

The fourth proportional to 16,858.13, 25,288.40 and 6,469.88 is: 9,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.13 : 25,288.40 = 6,469.88 : x
  2. Step 2: Convert to fraction form
    16,858.13/25,288.40 = 6,469.88/x
  3. Step 3: Cross multiply
    16,858.13x = 25,288.40 × 6,469.88
  4. Step 4: Simplify right side
    16,858.13x = 163,612,803.12
  5. Step 5: Solve for x
    x = 163,612,803.12/16,858.13
  6. Step 6: Final answer
    x = 9,705.28

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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.