Home / 20,612.07-30,918.24-5,820.93

Finding the Fourth Proportional to 20,612.07, 30,918.24 and 5,820.93

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Solution

The fourth proportional to 20,612.07, 30,918.24 and 5,820.93 is: 8,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612.07 : 30,918.24 = 5,820.93 : x
  2. Step 2: Convert to fraction form
    20,612.07/30,918.24 = 5,820.93/x
  3. Step 3: Cross multiply
    20,612.07x = 30,918.24 × 5,820.93
  4. Step 4: Simplify right side
    20,612.07x = 179,972,910.76
  5. Step 5: Solve for x
    x = 179,972,910.76/20,612.07
  6. Step 6: Final answer
    x = 8,731.43

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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.