Home / 11,990.78-16,546.28-6,955.32

Finding the Fourth Proportional to 11,990.78, 16,546.28 and 6,955.32

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Solution

The fourth proportional to 11,990.78, 16,546.28 and 6,955.32 is: 9,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.78 : 16,546.28 = 6,955.32 : x
  2. Step 2: Convert to fraction form
    11,990.78/16,546.28 = 6,955.32/x
  3. Step 3: Cross multiply
    11,990.78x = 16,546.28 × 6,955.32
  4. Step 4: Simplify right side
    11,990.78x = 115,084,606.41
  5. Step 5: Solve for x
    x = 115,084,606.41/11,990.78
  6. Step 6: Final answer
    x = 9,597.75

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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.