Home / 11,981.57-16,534.53-6,676.34

Finding the Fourth Proportional to 11,981.57, 16,534.53 and 6,676.34

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Solution

The fourth proportional to 11,981.57, 16,534.53 and 6,676.34 is: 9,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.57 : 16,534.53 = 6,676.34 : x
  2. Step 2: Convert to fraction form
    11,981.57/16,534.53 = 6,676.34/x
  3. Step 3: Cross multiply
    11,981.57x = 16,534.53 × 6,676.34
  4. Step 4: Simplify right side
    11,981.57x = 110,390,144.02
  5. Step 5: Solve for x
    x = 110,390,144.02/11,981.57
  6. Step 6: Final answer
    x = 9,213.33

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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.