Home / 9,390.22-12,951.26-6,556.66

Finding the Fourth Proportional to 9,390.22, 12,951.26 and 6,556.66

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Solution

The fourth proportional to 9,390.22, 12,951.26 and 6,556.66 is: 9,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.22 : 12,951.26 = 6,556.66 : x
  2. Step 2: Convert to fraction form
    9,390.22/12,951.26 = 6,556.66/x
  3. Step 3: Cross multiply
    9,390.22x = 12,951.26 × 6,556.66
  4. Step 4: Simplify right side
    9,390.22x = 84,917,008.39
  5. Step 5: Solve for x
    x = 84,917,008.39/9,390.22
  6. Step 6: Final answer
    x = 9,043.13

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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.