Home / 20,680.25-30,995.67-7,525.46

Finding the Fourth Proportional to 20,680.25, 30,995.67 and 7,525.46

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Solution

The fourth proportional to 20,680.25, 30,995.67 and 7,525.46 is: 11,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680.25 : 30,995.67 = 7,525.46 : x
  2. Step 2: Convert to fraction form
    20,680.25/30,995.67 = 7,525.46/x
  3. Step 3: Cross multiply
    20,680.25x = 30,995.67 × 7,525.46
  4. Step 4: Simplify right side
    20,680.25x = 233,256,674.76
  5. Step 5: Solve for x
    x = 233,256,674.76/20,680.25
  6. Step 6: Final answer
    x = 11,279.20

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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.