Home / 20,336.25-30,506.37-7,010.31

Finding the Fourth Proportional to 20,336.25, 30,506.37 and 7,010.31

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Solution

The fourth proportional to 20,336.25, 30,506.37 and 7,010.31 is: 10,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.25 : 30,506.37 = 7,010.31 : x
  2. Step 2: Convert to fraction form
    20,336.25/30,506.37 = 7,010.31/x
  3. Step 3: Cross multiply
    20,336.25x = 30,506.37 × 7,010.31
  4. Step 4: Simplify right side
    20,336.25x = 213,859,110.67
  5. Step 5: Solve for x
    x = 213,859,110.67/20,336.25
  6. Step 6: Final answer
    x = 10,516.15

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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.