Home / 20,541.19-30,793.06-7,390.55

Finding the Fourth Proportional to 20,541.19, 30,793.06 and 7,390.55

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Solution

The fourth proportional to 20,541.19, 30,793.06 and 7,390.55 is: 11,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.19 : 30,793.06 = 7,390.55 : x
  2. Step 2: Convert to fraction form
    20,541.19/30,793.06 = 7,390.55/x
  3. Step 3: Cross multiply
    20,541.19x = 30,793.06 × 7,390.55
  4. Step 4: Simplify right side
    20,541.19x = 227,577,649.58
  5. Step 5: Solve for x
    x = 227,577,649.58/20,541.19
  6. Step 6: Final answer
    x = 11,079.09

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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.