Home / 11,996.28-17,988.39-7,000.35

Finding the Fourth Proportional to 11,996.28, 17,988.39 and 7,000.35

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Solution

The fourth proportional to 11,996.28, 17,988.39 and 7,000.35 is: 10,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.28 : 17,988.39 = 7,000.35 : x
  2. Step 2: Convert to fraction form
    11,996.28/17,988.39 = 7,000.35/x
  3. Step 3: Cross multiply
    11,996.28x = 17,988.39 × 7,000.35
  4. Step 4: Simplify right side
    11,996.28x = 125,925,025.94
  5. Step 5: Solve for x
    x = 125,925,025.94/11,996.28
  6. Step 6: Final answer
    x = 10,497.01

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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.