Home / 13,082.49-19,627.38-5,687.64

Finding the Fourth Proportional to 13,082.49, 19,627.38 and 5,687.64

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Solution

The fourth proportional to 13,082.49, 19,627.38 and 5,687.64 is: 8,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.49 : 19,627.38 = 5,687.64 : x
  2. Step 2: Convert to fraction form
    13,082.49/19,627.38 = 5,687.64/x
  3. Step 3: Cross multiply
    13,082.49x = 19,627.38 × 5,687.64
  4. Step 4: Simplify right side
    13,082.49x = 111,633,471.58
  5. Step 5: Solve for x
    x = 111,633,471.58/13,082.49
  6. Step 6: Final answer
    x = 8,533.04

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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.