Home / 11,554.47-15,945.98-8,716.86

Finding the Fourth Proportional to 11,554.47, 15,945.98 and 8,716.86

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Solution

The fourth proportional to 11,554.47, 15,945.98 and 8,716.86 is: 12,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.47 : 15,945.98 = 8,716.86 : x
  2. Step 2: Convert to fraction form
    11,554.47/15,945.98 = 8,716.86/x
  3. Step 3: Cross multiply
    11,554.47x = 15,945.98 × 8,716.86
  4. Step 4: Simplify right side
    11,554.47x = 138,998,831.64
  5. Step 5: Solve for x
    x = 138,998,831.64/11,554.47
  6. Step 6: Final answer
    x = 12,029.88

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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.