Home / 12,803.28-19,197.69-5,302.61

Finding the Fourth Proportional to 12,803.28, 19,197.69 and 5,302.61

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Solution

The fourth proportional to 12,803.28, 19,197.69 and 5,302.61 is: 7,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.28 : 19,197.69 = 5,302.61 : x
  2. Step 2: Convert to fraction form
    12,803.28/19,197.69 = 5,302.61/x
  3. Step 3: Cross multiply
    12,803.28x = 19,197.69 × 5,302.61
  4. Step 4: Simplify right side
    12,803.28x = 101,797,766.98
  5. Step 5: Solve for x
    x = 101,797,766.98/12,803.28
  6. Step 6: Final answer
    x = 7,950.91

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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.