Home / 10,177.12-14,044.64-6,198.40

Finding the Fourth Proportional to 10,177.12, 14,044.64 and 6,198.40

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Solution

The fourth proportional to 10,177.12, 14,044.64 and 6,198.40 is: 8,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.12 : 14,044.64 = 6,198.40 : x
  2. Step 2: Convert to fraction form
    10,177.12/14,044.64 = 6,198.40/x
  3. Step 3: Cross multiply
    10,177.12x = 14,044.64 × 6,198.40
  4. Step 4: Simplify right side
    10,177.12x = 87,054,296.58
  5. Step 5: Solve for x
    x = 87,054,296.58/10,177.12
  6. Step 6: Final answer
    x = 8,553.92

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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.