Home / 13,286.50-19,933.02-3,926.46

Finding the Fourth Proportional to 13,286.50, 19,933.02 and 3,926.46

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Solution

The fourth proportional to 13,286.50, 19,933.02 and 3,926.46 is: 5,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.50 : 19,933.02 = 3,926.46 : x
  2. Step 2: Convert to fraction form
    13,286.50/19,933.02 = 3,926.46/x
  3. Step 3: Cross multiply
    13,286.50x = 19,933.02 × 3,926.46
  4. Step 4: Simplify right side
    13,286.50x = 78,266,205.71
  5. Step 5: Solve for x
    x = 78,266,205.71/13,286.50
  6. Step 6: Final answer
    x = 5,890.66

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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.