Home / 11,945.16-16,486.12-8,599.04

Finding the Fourth Proportional to 11,945.16, 16,486.12 and 8,599.04

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Solution

The fourth proportional to 11,945.16, 16,486.12 and 8,599.04 is: 11,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.16 : 16,486.12 = 8,599.04 : x
  2. Step 2: Convert to fraction form
    11,945.16/16,486.12 = 8,599.04/x
  3. Step 3: Cross multiply
    11,945.16x = 16,486.12 × 8,599.04
  4. Step 4: Simplify right side
    11,945.16x = 141,764,805.32
  5. Step 5: Solve for x
    x = 141,764,805.32/11,945.16
  6. Step 6: Final answer
    x = 11,867.97

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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.