Home / 13,082.92-18,048.64-8,718.25

Finding the Fourth Proportional to 13,082.92, 18,048.64 and 8,718.25

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Solution

The fourth proportional to 13,082.92, 18,048.64 and 8,718.25 is: 12,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.92 : 18,048.64 = 8,718.25 : x
  2. Step 2: Convert to fraction form
    13,082.92/18,048.64 = 8,718.25/x
  3. Step 3: Cross multiply
    13,082.92x = 18,048.64 × 8,718.25
  4. Step 4: Simplify right side
    13,082.92x = 157,352,538.95
  5. Step 5: Solve for x
    x = 157,352,538.95/13,082.92
  6. Step 6: Final answer
    x = 12,027.33

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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.