Home / 13,777.08-20,630.52-9,082.84

Finding the Fourth Proportional to 13,777.08, 20,630.52 and 9,082.84

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Solution

The fourth proportional to 13,777.08, 20,630.52 and 9,082.84 is: 13,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.08 : 20,630.52 = 9,082.84 : x
  2. Step 2: Convert to fraction form
    13,777.08/20,630.52 = 9,082.84/x
  3. Step 3: Cross multiply
    13,777.08x = 20,630.52 × 9,082.84
  4. Step 4: Simplify right side
    13,777.08x = 187,383,712.28
  5. Step 5: Solve for x
    x = 187,383,712.28/13,777.08
  6. Step 6: Final answer
    x = 13,601.12

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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.