Home / 20,159.82-30,253.49-7,012.06

Finding the Fourth Proportional to 20,159.82, 30,253.49 and 7,012.06

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Solution

The fourth proportional to 20,159.82, 30,253.49 and 7,012.06 is: 10,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.82 : 30,253.49 = 7,012.06 : x
  2. Step 2: Convert to fraction form
    20,159.82/30,253.49 = 7,012.06/x
  3. Step 3: Cross multiply
    20,159.82x = 30,253.49 × 7,012.06
  4. Step 4: Simplify right side
    20,159.82x = 212,139,287.09
  5. Step 5: Solve for x
    x = 212,139,287.09/20,159.82
  6. Step 6: Final answer
    x = 10,522.88

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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.