Home / 9,622.54-13,286.63-7,380.87

Finding the Fourth Proportional to 9,622.54, 13,286.63 and 7,380.87

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Solution

The fourth proportional to 9,622.54, 13,286.63 and 7,380.87 is: 10,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.54 : 13,286.63 = 7,380.87 : x
  2. Step 2: Convert to fraction form
    9,622.54/13,286.63 = 7,380.87/x
  3. Step 3: Cross multiply
    9,622.54x = 13,286.63 × 7,380.87
  4. Step 4: Simplify right side
    9,622.54x = 98,066,857.40
  5. Step 5: Solve for x
    x = 98,066,857.40/9,622.54
  6. Step 6: Final answer
    x = 10,191.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.