Home / 20,258.07-30,390.68-6,927.93

Finding the Fourth Proportional to 20,258.07, 30,390.68 and 6,927.93

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Solution

The fourth proportional to 20,258.07, 30,390.68 and 6,927.93 is: 10,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.07 : 30,390.68 = 6,927.93 : x
  2. Step 2: Convert to fraction form
    20,258.07/30,390.68 = 6,927.93/x
  3. Step 3: Cross multiply
    20,258.07x = 30,390.68 × 6,927.93
  4. Step 4: Simplify right side
    20,258.07x = 210,544,469.05
  5. Step 5: Solve for x
    x = 210,544,469.05/20,258.07
  6. Step 6: Final answer
    x = 10,393.12

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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.