Home / 11,887.09-16,402.60-6,581.18

Finding the Fourth Proportional to 11,887.09, 16,402.60 and 6,581.18

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Solution

The fourth proportional to 11,887.09, 16,402.60 and 6,581.18 is: 9,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.09 : 16,402.60 = 6,581.18 : x
  2. Step 2: Convert to fraction form
    11,887.09/16,402.60 = 6,581.18/x
  3. Step 3: Cross multiply
    11,887.09x = 16,402.60 × 6,581.18
  4. Step 4: Simplify right side
    11,887.09x = 107,948,512.30
  5. Step 5: Solve for x
    x = 107,948,512.30/11,887.09
  6. Step 6: Final answer
    x = 9,081.16

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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.