Home / 13,274.42-18,318.62-7,305.93

Finding the Fourth Proportional to 13,274.42, 18,318.62 and 7,305.93

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Solution

The fourth proportional to 13,274.42, 18,318.62 and 7,305.93 is: 10,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.42 : 18,318.62 = 7,305.93 : x
  2. Step 2: Convert to fraction form
    13,274.42/18,318.62 = 7,305.93/x
  3. Step 3: Cross multiply
    13,274.42x = 18,318.62 × 7,305.93
  4. Step 4: Simplify right side
    13,274.42x = 133,834,573.68
  5. Step 5: Solve for x
    x = 133,834,573.68/13,274.42
  6. Step 6: Final answer
    x = 10,082.14

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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.