Home / 20,656.04-30,984.16-5,073.66

Finding the Fourth Proportional to 20,656.04, 30,984.16 and 5,073.66

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Solution

The fourth proportional to 20,656.04, 30,984.16 and 5,073.66 is: 7,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.04 : 30,984.16 = 5,073.66 : x
  2. Step 2: Convert to fraction form
    20,656.04/30,984.16 = 5,073.66/x
  3. Step 3: Cross multiply
    20,656.04x = 30,984.16 × 5,073.66
  4. Step 4: Simplify right side
    20,656.04x = 157,203,093.23
  5. Step 5: Solve for x
    x = 157,203,093.23/20,656.04
  6. Step 6: Final answer
    x = 7,610.51

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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.