Home / 11,995.32-16,554.12-6,689.88

Finding the Fourth Proportional to 11,995.32, 16,554.12 and 6,689.88

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Solution

The fourth proportional to 11,995.32, 16,554.12 and 6,689.88 is: 9,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.32 : 16,554.12 = 6,689.88 : x
  2. Step 2: Convert to fraction form
    11,995.32/16,554.12 = 6,689.88/x
  3. Step 3: Cross multiply
    11,995.32x = 16,554.12 × 6,689.88
  4. Step 4: Simplify right side
    11,995.32x = 110,745,076.31
  5. Step 5: Solve for x
    x = 110,745,076.31/11,995.32
  6. Step 6: Final answer
    x = 9,232.36

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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.