Home / 14,053.40-21,081.30-4,192.04

Finding the Fourth Proportional to 14,053.40, 21,081.30 and 4,192.04

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Solution

The fourth proportional to 14,053.40, 21,081.30 and 4,192.04 is: 6,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.40 : 21,081.30 = 4,192.04 : x
  2. Step 2: Convert to fraction form
    14,053.40/21,081.30 = 4,192.04/x
  3. Step 3: Cross multiply
    14,053.40x = 21,081.30 × 4,192.04
  4. Step 4: Simplify right side
    14,053.40x = 88,373,652.85
  5. Step 5: Solve for x
    x = 88,373,652.85/14,053.40
  6. Step 6: Final answer
    x = 6,288.42

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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.