Home / 20,670.26-30,986.92-7,513.36

Finding the Fourth Proportional to 20,670.26, 30,986.92 and 7,513.36

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Solution

The fourth proportional to 20,670.26, 30,986.92 and 7,513.36 is: 11,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670.26 : 30,986.92 = 7,513.36 : x
  2. Step 2: Convert to fraction form
    20,670.26/30,986.92 = 7,513.36/x
  3. Step 3: Cross multiply
    20,670.26x = 30,986.92 × 7,513.36
  4. Step 4: Simplify right side
    20,670.26x = 232,815,817.18
  5. Step 5: Solve for x
    x = 232,815,817.18/20,670.26
  6. Step 6: Final answer
    x = 11,263.33

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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.