Home / 20,233.92-30,354.48-7,086.72

Finding the Fourth Proportional to 20,233.92, 30,354.48 and 7,086.72

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Solution

The fourth proportional to 20,233.92, 30,354.48 and 7,086.72 is: 10,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.92 : 30,354.48 = 7,086.72 : x
  2. Step 2: Convert to fraction form
    20,233.92/30,354.48 = 7,086.72/x
  3. Step 3: Cross multiply
    20,233.92x = 30,354.48 × 7,086.72
  4. Step 4: Simplify right side
    20,233.92x = 215,113,700.51
  5. Step 5: Solve for x
    x = 215,113,700.51/20,233.92
  6. Step 6: Final answer
    x = 10,631.34

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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.