Home / 20,117.25-30,175.89-6,266.25

Finding the Fourth Proportional to 20,117.25, 30,175.89 and 6,266.25

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Solution

The fourth proportional to 20,117.25, 30,175.89 and 6,266.25 is: 9,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.25 : 30,175.89 = 6,266.25 : x
  2. Step 2: Convert to fraction form
    20,117.25/30,175.89 = 6,266.25/x
  3. Step 3: Cross multiply
    20,117.25x = 30,175.89 × 6,266.25
  4. Step 4: Simplify right side
    20,117.25x = 189,089,670.71
  5. Step 5: Solve for x
    x = 189,089,670.71/20,117.25
  6. Step 6: Final answer
    x = 9,399.38

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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.