Home / 13,082.94-18,054.21-7,114.56

Finding the Fourth Proportional to 13,082.94, 18,054.21 and 7,114.56

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Solution

The fourth proportional to 13,082.94, 18,054.21 and 7,114.56 is: 9,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.94 : 18,054.21 = 7,114.56 : x
  2. Step 2: Convert to fraction form
    13,082.94/18,054.21 = 7,114.56/x
  3. Step 3: Cross multiply
    13,082.94x = 18,054.21 × 7,114.56
  4. Step 4: Simplify right side
    13,082.94x = 128,447,760.30
  5. Step 5: Solve for x
    x = 128,447,760.30/13,082.94
  6. Step 6: Final answer
    x = 9,817.96

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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.