Home / 13,082.28-18,051.57-8,047.32

Finding the Fourth Proportional to 13,082.28, 18,051.57 and 8,047.32

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Solution

The fourth proportional to 13,082.28, 18,051.57 and 8,047.32 is: 11,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.28 : 18,051.57 = 8,047.32 : x
  2. Step 2: Convert to fraction form
    13,082.28/18,051.57 = 8,047.32/x
  3. Step 3: Cross multiply
    13,082.28x = 18,051.57 × 8,047.32
  4. Step 4: Simplify right side
    13,082.28x = 145,266,760.29
  5. Step 5: Solve for x
    x = 145,266,760.29/13,082.28
  6. Step 6: Final answer
    x = 11,104.09

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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.