Home / 11,701.28-16,145.52-6,665.39

Finding the Fourth Proportional to 11,701.28, 16,145.52 and 6,665.39

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Solution

The fourth proportional to 11,701.28, 16,145.52 and 6,665.39 is: 9,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.28 : 16,145.52 = 6,665.39 : x
  2. Step 2: Convert to fraction form
    11,701.28/16,145.52 = 6,665.39/x
  3. Step 3: Cross multiply
    11,701.28x = 16,145.52 × 6,665.39
  4. Step 4: Simplify right side
    11,701.28x = 107,616,073.50
  5. Step 5: Solve for x
    x = 107,616,073.50/11,701.28
  6. Step 6: Final answer
    x = 9,196.95

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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.