Home / 11,666.14-16,107.19-8,972.59

Finding the Fourth Proportional to 11,666.14, 16,107.19 and 8,972.59

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Solution

The fourth proportional to 11,666.14, 16,107.19 and 8,972.59 is: 12,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.14 : 16,107.19 = 8,972.59 : x
  2. Step 2: Convert to fraction form
    11,666.14/16,107.19 = 8,972.59/x
  3. Step 3: Cross multiply
    11,666.14x = 16,107.19 × 8,972.59
  4. Step 4: Simplify right side
    11,666.14x = 144,523,149.22
  5. Step 5: Solve for x
    x = 144,523,149.22/11,666.14
  6. Step 6: Final answer
    x = 12,388.26

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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.