Home / 8,935.50-13,403.25-6,121.56

Finding the Fourth Proportional to 8,935.50, 13,403.25 and 6,121.56

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Solution

The fourth proportional to 8,935.50, 13,403.25 and 6,121.56 is: 9,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.50 : 13,403.25 = 6,121.56 : x
  2. Step 2: Convert to fraction form
    8,935.50/13,403.25 = 6,121.56/x
  3. Step 3: Cross multiply
    8,935.50x = 13,403.25 × 6,121.56
  4. Step 4: Simplify right side
    8,935.50x = 82,048,799.07
  5. Step 5: Solve for x
    x = 82,048,799.07/8,935.50
  6. Step 6: Final answer
    x = 9,182.34

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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.