Home / 12,622.14-17,419.14-7,318.62

Finding the Fourth Proportional to 12,622.14, 17,419.14 and 7,318.62

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Solution

The fourth proportional to 12,622.14, 17,419.14 and 7,318.62 is: 10,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.14 : 17,419.14 = 7,318.62 : x
  2. Step 2: Convert to fraction form
    12,622.14/17,419.14 = 7,318.62/x
  3. Step 3: Cross multiply
    12,622.14x = 17,419.14 × 7,318.62
  4. Step 4: Simplify right side
    12,622.14x = 127,484,066.39
  5. Step 5: Solve for x
    x = 127,484,066.39/12,622.14
  6. Step 6: Final answer
    x = 10,100.04

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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.