Home / 20,570.56-30,832.55-9,454.29

Finding the Fourth Proportional to 20,570.56, 30,832.55 and 9,454.29

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Solution

The fourth proportional to 20,570.56, 30,832.55 and 9,454.29 is: 14,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570.56 : 30,832.55 = 9,454.29 : x
  2. Step 2: Convert to fraction form
    20,570.56/30,832.55 = 9,454.29/x
  3. Step 3: Cross multiply
    20,570.56x = 30,832.55 × 9,454.29
  4. Step 4: Simplify right side
    20,570.56x = 291,499,741.70
  5. Step 5: Solve for x
    x = 291,499,741.70/20,570.56
  6. Step 6: Final answer
    x = 14,170.73

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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.