Home / 14,282.48-19,711.68-7,996.88

Finding the Fourth Proportional to 14,282.48, 19,711.68 and 7,996.88

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Solution

The fourth proportional to 14,282.48, 19,711.68 and 7,996.88 is: 11,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.48 : 19,711.68 = 7,996.88 : x
  2. Step 2: Convert to fraction form
    14,282.48/19,711.68 = 7,996.88/x
  3. Step 3: Cross multiply
    14,282.48x = 19,711.68 × 7,996.88
  4. Step 4: Simplify right side
    14,282.48x = 157,631,939.56
  5. Step 5: Solve for x
    x = 157,631,939.56/14,282.48
  6. Step 6: Final answer
    x = 11,036.73

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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.