Home / 19,999.03-29,998.14-5,207.62

Finding the Fourth Proportional to 19,999.03, 29,998.14 and 5,207.62

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Solution

The fourth proportional to 19,999.03, 29,998.14 and 5,207.62 is: 7,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.03 : 29,998.14 = 5,207.62 : x
  2. Step 2: Convert to fraction form
    19,999.03/29,998.14 = 5,207.62/x
  3. Step 3: Cross multiply
    19,999.03x = 29,998.14 × 5,207.62
  4. Step 4: Simplify right side
    19,999.03x = 156,218,913.83
  5. Step 5: Solve for x
    x = 156,218,913.83/19,999.03
  6. Step 6: Final answer
    x = 7,811.32

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1.5x scale

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.