Home / 12,203.26-16,839.84-6,897.76

Finding the Fourth Proportional to 12,203.26, 16,839.84 and 6,897.76

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Solution

The fourth proportional to 12,203.26, 16,839.84 and 6,897.76 is: 9,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.26 : 16,839.84 = 6,897.76 : x
  2. Step 2: Convert to fraction form
    12,203.26/16,839.84 = 6,897.76/x
  3. Step 3: Cross multiply
    12,203.26x = 16,839.84 × 6,897.76
  4. Step 4: Simplify right side
    12,203.26x = 116,157,174.76
  5. Step 5: Solve for x
    x = 116,157,174.76/12,203.26
  6. Step 6: Final answer
    x = 9,518.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.