Home / 20,230.66-30,346.27-7,751.32

Finding the Fourth Proportional to 20,230.66, 30,346.27 and 7,751.32

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Solution

The fourth proportional to 20,230.66, 30,346.27 and 7,751.32 is: 11,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.66 : 30,346.27 = 7,751.32 : x
  2. Step 2: Convert to fraction form
    20,230.66/30,346.27 = 7,751.32/x
  3. Step 3: Cross multiply
    20,230.66x = 30,346.27 × 7,751.32
  4. Step 4: Simplify right side
    20,230.66x = 235,223,597.93
  5. Step 5: Solve for x
    x = 235,223,597.93/20,230.66
  6. Step 6: Final answer
    x = 11,627.08

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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.