Home / 19,774.48-29,660.66-4,983.38

Finding the Fourth Proportional to 19,774.48, 29,660.66 and 4,983.38

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Solution

The fourth proportional to 19,774.48, 29,660.66 and 4,983.38 is: 7,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.48 : 29,660.66 = 4,983.38 : x
  2. Step 2: Convert to fraction form
    19,774.48/29,660.66 = 4,983.38/x
  3. Step 3: Cross multiply
    19,774.48x = 29,660.66 × 4,983.38
  4. Step 4: Simplify right side
    19,774.48x = 147,810,339.83
  5. Step 5: Solve for x
    x = 147,810,339.83/19,774.48
  6. Step 6: Final answer
    x = 7,474.80

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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.