Home / 11,945.93-16,486.38-6,641.24

Finding the Fourth Proportional to 11,945.93, 16,486.38 and 6,641.24

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Solution

The fourth proportional to 11,945.93, 16,486.38 and 6,641.24 is: 9,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.93 : 16,486.38 = 6,641.24 : x
  2. Step 2: Convert to fraction form
    11,945.93/16,486.38 = 6,641.24/x
  3. Step 3: Cross multiply
    11,945.93x = 16,486.38 × 6,641.24
  4. Step 4: Simplify right side
    11,945.93x = 109,489,948.49
  5. Step 5: Solve for x
    x = 109,489,948.49/11,945.93
  6. Step 6: Final answer
    x = 9,165.46

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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.