Home / 11,722.89-16,177.54-6,345.33

Finding the Fourth Proportional to 11,722.89, 16,177.54 and 6,345.33

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Solution

The fourth proportional to 11,722.89, 16,177.54 and 6,345.33 is: 8,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.89 : 16,177.54 = 6,345.33 : x
  2. Step 2: Convert to fraction form
    11,722.89/16,177.54 = 6,345.33/x
  3. Step 3: Cross multiply
    11,722.89x = 16,177.54 × 6,345.33
  4. Step 4: Simplify right side
    11,722.89x = 102,651,829.89
  5. Step 5: Solve for x
    x = 102,651,829.89/11,722.89
  6. Step 6: Final answer
    x = 8,756.53

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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.