Home / 9,170.54-13,724.64-5,662.76

Finding the Fourth Proportional to 9,170.54, 13,724.64 and 5,662.76

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Solution

The fourth proportional to 9,170.54, 13,724.64 and 5,662.76 is: 8,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.54 : 13,724.64 = 5,662.76 : x
  2. Step 2: Convert to fraction form
    9,170.54/13,724.64 = 5,662.76/x
  3. Step 3: Cross multiply
    9,170.54x = 13,724.64 × 5,662.76
  4. Step 4: Simplify right side
    9,170.54x = 77,719,342.41
  5. Step 5: Solve for x
    x = 77,719,342.41/9,170.54
  6. Step 6: Final answer
    x = 8,474.89

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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.