Home / 19,868.04-29,800.26-6,720.54

Finding the Fourth Proportional to 19,868.04, 29,800.26 and 6,720.54

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Solution

The fourth proportional to 19,868.04, 29,800.26 and 6,720.54 is: 10,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.04 : 29,800.26 = 6,720.54 : x
  2. Step 2: Convert to fraction form
    19,868.04/29,800.26 = 6,720.54/x
  3. Step 3: Cross multiply
    19,868.04x = 29,800.26 × 6,720.54
  4. Step 4: Simplify right side
    19,868.04x = 200,273,839.34
  5. Step 5: Solve for x
    x = 200,273,839.34/19,868.04
  6. Step 6: Final answer
    x = 10,080.20

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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.