Home / 11,665.08-16,097.91-6,885.12

Finding the Fourth Proportional to 11,665.08, 16,097.91 and 6,885.12

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Solution

The fourth proportional to 11,665.08, 16,097.91 and 6,885.12 is: 9,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.08 : 16,097.91 = 6,885.12 : x
  2. Step 2: Convert to fraction form
    11,665.08/16,097.91 = 6,885.12/x
  3. Step 3: Cross multiply
    11,665.08x = 16,097.91 × 6,885.12
  4. Step 4: Simplify right side
    11,665.08x = 110,836,042.10
  5. Step 5: Solve for x
    x = 110,836,042.10/11,665.08
  6. Step 6: Final answer
    x = 9,501.52

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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.