Home / 11,199.27-15,455.48-6,723.39

Finding the Fourth Proportional to 11,199.27, 15,455.48 and 6,723.39

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Solution

The fourth proportional to 11,199.27, 15,455.48 and 6,723.39 is: 9,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.27 : 15,455.48 = 6,723.39 : x
  2. Step 2: Convert to fraction form
    11,199.27/15,455.48 = 6,723.39/x
  3. Step 3: Cross multiply
    11,199.27x = 15,455.48 × 6,723.39
  4. Step 4: Simplify right side
    11,199.27x = 103,913,186.06
  5. Step 5: Solve for x
    x = 103,913,186.06/11,199.27
  6. Step 6: Final answer
    x = 9,278.57

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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.