Home / 19,981.62-29,967.30-5,938.34

Finding the Fourth Proportional to 19,981.62, 29,967.30 and 5,938.34

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Solution

The fourth proportional to 19,981.62, 29,967.30 and 5,938.34 is: 8,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.62 : 29,967.30 = 5,938.34 : x
  2. Step 2: Convert to fraction form
    19,981.62/29,967.30 = 5,938.34/x
  3. Step 3: Cross multiply
    19,981.62x = 29,967.30 × 5,938.34
  4. Step 4: Simplify right side
    19,981.62x = 177,955,866.45
  5. Step 5: Solve for x
    x = 177,955,866.45/19,981.62
  6. Step 6: Final answer
    x = 8,905.98

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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.