Home / 17,638.20-26,454.60-6,543.36

Finding the Fourth Proportional to 17,638.20, 26,454.60 and 6,543.36

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Solution

The fourth proportional to 17,638.20, 26,454.60 and 6,543.36 is: 9,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.20 : 26,454.60 = 6,543.36 : x
  2. Step 2: Convert to fraction form
    17,638.20/26,454.60 = 6,543.36/x
  3. Step 3: Cross multiply
    17,638.20x = 26,454.60 × 6,543.36
  4. Step 4: Simplify right side
    17,638.20x = 173,101,971.46
  5. Step 5: Solve for x
    x = 173,101,971.46/17,638.20
  6. Step 6: Final answer
    x = 9,814.04

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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.