Home / 20,261.07-30,395.19-6,930.95

Finding the Fourth Proportional to 20,261.07, 30,395.19 and 6,930.95

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Solution

The fourth proportional to 20,261.07, 30,395.19 and 6,930.95 is: 10,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.07 : 30,395.19 = 6,930.95 : x
  2. Step 2: Convert to fraction form
    20,261.07/30,395.19 = 6,930.95/x
  3. Step 3: Cross multiply
    20,261.07x = 30,395.19 × 6,930.95
  4. Step 4: Simplify right side
    20,261.07x = 210,667,390.15
  5. Step 5: Solve for x
    x = 210,667,390.15/20,261.07
  6. Step 6: Final answer
    x = 10,397.64

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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.