Home / 19,399.98-29,100.06-6,920.52

Finding the Fourth Proportional to 19,399.98, 29,100.06 and 6,920.52

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Solution

The fourth proportional to 19,399.98, 29,100.06 and 6,920.52 is: 10,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.98 : 29,100.06 = 6,920.52 : x
  2. Step 2: Convert to fraction form
    19,399.98/29,100.06 = 6,920.52/x
  3. Step 3: Cross multiply
    19,399.98x = 29,100.06 × 6,920.52
  4. Step 4: Simplify right side
    19,399.98x = 201,387,547.23
  5. Step 5: Solve for x
    x = 201,387,547.23/19,399.98
  6. Step 6: Final answer
    x = 10,380.81

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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.