Home / 11,767.56-16,224.48-8,618.28

Finding the Fourth Proportional to 11,767.56, 16,224.48 and 8,618.28

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Solution

The fourth proportional to 11,767.56, 16,224.48 and 8,618.28 is: 11,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.56 : 16,224.48 = 8,618.28 : x
  2. Step 2: Convert to fraction form
    11,767.56/16,224.48 = 8,618.28/x
  3. Step 3: Cross multiply
    11,767.56x = 16,224.48 × 8,618.28
  4. Step 4: Simplify right side
    11,767.56x = 139,827,111.49
  5. Step 5: Solve for x
    x = 139,827,111.49/11,767.56
  6. Step 6: Final answer
    x = 11,882.42

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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.