Home / 13,253.02-19,878.82-3,391.67

Finding the Fourth Proportional to 13,253.02, 19,878.82 and 3,391.67

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Solution

The fourth proportional to 13,253.02, 19,878.82 and 3,391.67 is: 5,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.02 : 19,878.82 = 3,391.67 : x
  2. Step 2: Convert to fraction form
    13,253.02/19,878.82 = 3,391.67/x
  3. Step 3: Cross multiply
    13,253.02x = 19,878.82 × 3,391.67
  4. Step 4: Simplify right side
    13,253.02x = 67,422,438.65
  5. Step 5: Solve for x
    x = 67,422,438.65/13,253.02
  6. Step 6: Final answer
    x = 5,087.33

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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.