Home / 13,156.55-19,728.30-4,836.23

Finding the Fourth Proportional to 13,156.55, 19,728.30 and 4,836.23

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Solution

The fourth proportional to 13,156.55, 19,728.30 and 4,836.23 is: 7,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.55 : 19,728.30 = 4,836.23 : x
  2. Step 2: Convert to fraction form
    13,156.55/19,728.30 = 4,836.23/x
  3. Step 3: Cross multiply
    13,156.55x = 19,728.30 × 4,836.23
  4. Step 4: Simplify right side
    13,156.55x = 95,410,596.31
  5. Step 5: Solve for x
    x = 95,410,596.31/13,156.55
  6. Step 6: Final answer
    x = 7,251.95

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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.