Home / 9,122.54-13,685.64-4,193.66

Finding the Fourth Proportional to 9,122.54, 13,685.64 and 4,193.66

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Solution

The fourth proportional to 9,122.54, 13,685.64 and 4,193.66 is: 6,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.54 : 13,685.64 = 4,193.66 : x
  2. Step 2: Convert to fraction form
    9,122.54/13,685.64 = 4,193.66/x
  3. Step 3: Cross multiply
    9,122.54x = 13,685.64 × 4,193.66
  4. Step 4: Simplify right side
    9,122.54x = 57,392,921.04
  5. Step 5: Solve for x
    x = 57,392,921.04/9,122.54
  6. Step 6: Final answer
    x = 6,291.33

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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.