Home / 11,337.07-15,645.51-6,861.64

Finding the Fourth Proportional to 11,337.07, 15,645.51 and 6,861.64

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Solution

The fourth proportional to 11,337.07, 15,645.51 and 6,861.64 is: 9,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.07 : 15,645.51 = 6,861.64 : x
  2. Step 2: Convert to fraction form
    11,337.07/15,645.51 = 6,861.64/x
  3. Step 3: Cross multiply
    11,337.07x = 15,645.51 × 6,861.64
  4. Step 4: Simplify right side
    11,337.07x = 107,353,857.24
  5. Step 5: Solve for x
    x = 107,353,857.24/11,337.07
  6. Step 6: Final answer
    x = 9,469.28

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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.