Home / 19,807.22-29,710.56-4,814.46

Finding the Fourth Proportional to 19,807.22, 29,710.56 and 4,814.46

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Solution

The fourth proportional to 19,807.22, 29,710.56 and 4,814.46 is: 7,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.22 : 29,710.56 = 4,814.46 : x
  2. Step 2: Convert to fraction form
    19,807.22/29,710.56 = 4,814.46/x
  3. Step 3: Cross multiply
    19,807.22x = 29,710.56 × 4,814.46
  4. Step 4: Simplify right side
    19,807.22x = 143,040,302.70
  5. Step 5: Solve for x
    x = 143,040,302.70/19,807.22
  6. Step 6: Final answer
    x = 7,221.62

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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.