Home / 8,945.54-13,436.20-5,394.76

Finding the Fourth Proportional to 8,945.54, 13,436.20 and 5,394.76

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Solution

The fourth proportional to 8,945.54, 13,436.20 and 5,394.76 is: 8,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.54 : 13,436.20 = 5,394.76 : x
  2. Step 2: Convert to fraction form
    8,945.54/13,436.20 = 5,394.76/x
  3. Step 3: Cross multiply
    8,945.54x = 13,436.20 × 5,394.76
  4. Step 4: Simplify right side
    8,945.54x = 72,485,074.31
  5. Step 5: Solve for x
    x = 72,485,074.31/8,945.54
  6. Step 6: Final answer
    x = 8,102.93

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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.