Home / 13,196.48-19,795.20-4,431.68

Finding the Fourth Proportional to 13,196.48, 19,795.20 and 4,431.68

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Solution

The fourth proportional to 13,196.48, 19,795.20 and 4,431.68 is: 6,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.48 : 19,795.20 = 4,431.68 : x
  2. Step 2: Convert to fraction form
    13,196.48/19,795.20 = 4,431.68/x
  3. Step 3: Cross multiply
    13,196.48x = 19,795.20 × 4,431.68
  4. Step 4: Simplify right side
    13,196.48x = 87,725,991.94
  5. Step 5: Solve for x
    x = 87,725,991.94/13,196.48
  6. Step 6: Final answer
    x = 6,647.68

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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.