Home / 20,265.54-30,398.31-6,225.54

Finding the Fourth Proportional to 20,265.54, 30,398.31 and 6,225.54

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Solution

The fourth proportional to 20,265.54, 30,398.31 and 6,225.54 is: 9,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.54 : 30,398.31 = 6,225.54 : x
  2. Step 2: Convert to fraction form
    20,265.54/30,398.31 = 6,225.54/x
  3. Step 3: Cross multiply
    20,265.54x = 30,398.31 × 6,225.54
  4. Step 4: Simplify right side
    20,265.54x = 189,245,894.84
  5. Step 5: Solve for x
    x = 189,245,894.84/20,265.54
  6. Step 6: Final answer
    x = 9,338.31

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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.