Home / 13,196.85-19,795.49-4,431.84

Finding the Fourth Proportional to 13,196.85, 19,795.49 and 4,431.84

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Solution

The fourth proportional to 13,196.85, 19,795.49 and 4,431.84 is: 6,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.85 : 19,795.49 = 4,431.84 : x
  2. Step 2: Convert to fraction form
    13,196.85/19,795.49 = 4,431.84/x
  3. Step 3: Cross multiply
    13,196.85x = 19,795.49 × 4,431.84
  4. Step 4: Simplify right side
    13,196.85x = 87,730,422.24
  5. Step 5: Solve for x
    x = 87,730,422.24/13,196.85
  6. Step 6: Final answer
    x = 6,647.83

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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.