Home / 14,006.12-20,996.46-6,988.28

Finding the Fourth Proportional to 14,006.12, 20,996.46 and 6,988.28

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Solution

The fourth proportional to 14,006.12, 20,996.46 and 6,988.28 is: 10,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.12 : 20,996.46 = 6,988.28 : x
  2. Step 2: Convert to fraction form
    14,006.12/20,996.46 = 6,988.28/x
  3. Step 3: Cross multiply
    14,006.12x = 20,996.46 × 6,988.28
  4. Step 4: Simplify right side
    14,006.12x = 146,729,141.49
  5. Step 5: Solve for x
    x = 146,729,141.49/14,006.12
  6. Step 6: Final answer
    x = 10,476.07

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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.