Home / 20,202.27-30,317.25-7,054.65

Finding the Fourth Proportional to 20,202.27, 30,317.25 and 7,054.65

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Solution

The fourth proportional to 20,202.27, 30,317.25 and 7,054.65 is: 10,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.27 : 30,317.25 = 7,054.65 : x
  2. Step 2: Convert to fraction form
    20,202.27/30,317.25 = 7,054.65/x
  3. Step 3: Cross multiply
    20,202.27x = 30,317.25 × 7,054.65
  4. Step 4: Simplify right side
    20,202.27x = 213,877,587.71
  5. Step 5: Solve for x
    x = 213,877,587.71/20,202.27
  6. Step 6: Final answer
    x = 10,586.81

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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.