Home / 12,204.12-16,841.70-6,615.12

Finding the Fourth Proportional to 12,204.12, 16,841.70 and 6,615.12

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Solution

The fourth proportional to 12,204.12, 16,841.70 and 6,615.12 is: 9,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.12 : 16,841.70 = 6,615.12 : x
  2. Step 2: Convert to fraction form
    12,204.12/16,841.70 = 6,615.12/x
  3. Step 3: Cross multiply
    12,204.12x = 16,841.70 × 6,615.12
  4. Step 4: Simplify right side
    12,204.12x = 111,409,866.50
  5. Step 5: Solve for x
    x = 111,409,866.50/12,204.12
  6. Step 6: Final answer
    x = 9,128.87

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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.