Home / 19,678.14-29,517.11-4,887.06

Finding the Fourth Proportional to 19,678.14, 29,517.11 and 4,887.06

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Solution

The fourth proportional to 19,678.14, 29,517.11 and 4,887.06 is: 7,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.14 : 29,517.11 = 4,887.06 : x
  2. Step 2: Convert to fraction form
    19,678.14/29,517.11 = 4,887.06/x
  3. Step 3: Cross multiply
    19,678.14x = 29,517.11 × 4,887.06
  4. Step 4: Simplify right side
    19,678.14x = 144,251,770.80
  5. Step 5: Solve for x
    x = 144,251,770.80/19,678.14
  6. Step 6: Final answer
    x = 7,330.56

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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.