Home / 11,556.89-15,948.48-6,251.69

Finding the Fourth Proportional to 11,556.89, 15,948.48 and 6,251.69

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Solution

The fourth proportional to 11,556.89, 15,948.48 and 6,251.69 is: 8,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.89 : 15,948.48 = 6,251.69 : x
  2. Step 2: Convert to fraction form
    11,556.89/15,948.48 = 6,251.69/x
  3. Step 3: Cross multiply
    11,556.89x = 15,948.48 × 6,251.69
  4. Step 4: Simplify right side
    11,556.89x = 99,704,952.93
  5. Step 5: Solve for x
    x = 99,704,952.93/11,556.89
  6. Step 6: Final answer
    x = 8,627.32

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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.