Home / 20,245.82-30,373.18-6,207.77

Finding the Fourth Proportional to 20,245.82, 30,373.18 and 6,207.77

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Solution

The fourth proportional to 20,245.82, 30,373.18 and 6,207.77 is: 9,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.82 : 30,373.18 = 6,207.77 : x
  2. Step 2: Convert to fraction form
    20,245.82/30,373.18 = 6,207.77/x
  3. Step 3: Cross multiply
    20,245.82x = 30,373.18 × 6,207.77
  4. Step 4: Simplify right side
    20,245.82x = 188,549,776.02
  5. Step 5: Solve for x
    x = 188,549,776.02/20,245.82
  6. Step 6: Final answer
    x = 9,313.02

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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.