Home / 11,995.32-18,000.98-4,204.14

Finding the Fourth Proportional to 11,995.32, 18,000.98 and 4,204.14

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Solution

The fourth proportional to 11,995.32, 18,000.98 and 4,204.14 is: 6,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.32 : 18,000.98 = 4,204.14 : x
  2. Step 2: Convert to fraction form
    11,995.32/18,000.98 = 4,204.14/x
  3. Step 3: Cross multiply
    11,995.32x = 18,000.98 × 4,204.14
  4. Step 4: Simplify right side
    11,995.32x = 75,678,619.04
  5. Step 5: Solve for x
    x = 75,678,619.04/11,995.32
  6. Step 6: Final answer
    x = 6,309.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.