Home / 11,990.16-16,546.51-6,685.32

Finding the Fourth Proportional to 11,990.16, 16,546.51 and 6,685.32

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Solution

The fourth proportional to 11,990.16, 16,546.51 and 6,685.32 is: 9,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.16 : 16,546.51 = 6,685.32 : x
  2. Step 2: Convert to fraction form
    11,990.16/16,546.51 = 6,685.32/x
  3. Step 3: Cross multiply
    11,990.16x = 16,546.51 × 6,685.32
  4. Step 4: Simplify right side
    11,990.16x = 110,618,714.23
  5. Step 5: Solve for x
    x = 110,618,714.23/11,990.16
  6. Step 6: Final answer
    x = 9,225.79

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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.