Home / 19,631.76-27,090.84-10,679.04

Finding the Fourth Proportional to 19,631.76, 27,090.84 and 10,679.04

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Solution

The fourth proportional to 19,631.76, 27,090.84 and 10,679.04 is: 14,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.76 : 27,090.84 = 10,679.04 : x
  2. Step 2: Convert to fraction form
    19,631.76/27,090.84 = 10,679.04/x
  3. Step 3: Cross multiply
    19,631.76x = 27,090.84 × 10,679.04
  4. Step 4: Simplify right side
    19,631.76x = 289,304,163.99
  5. Step 5: Solve for x
    x = 289,304,163.99/19,631.76
  6. Step 6: Final answer
    x = 14,736.54

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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.