Home / 11,831.08-16,326.35-6,453.39

Finding the Fourth Proportional to 11,831.08, 16,326.35 and 6,453.39

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Solution

The fourth proportional to 11,831.08, 16,326.35 and 6,453.39 is: 8,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.08 : 16,326.35 = 6,453.39 : x
  2. Step 2: Convert to fraction form
    11,831.08/16,326.35 = 6,453.39/x
  3. Step 3: Cross multiply
    11,831.08x = 16,326.35 × 6,453.39
  4. Step 4: Simplify right side
    11,831.08x = 105,360,265.15
  5. Step 5: Solve for x
    x = 105,360,265.15/11,831.08
  6. Step 6: Final answer
    x = 8,905.38

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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.