Home / 13,196.09-19,795.49-4,431.17

Finding the Fourth Proportional to 13,196.09, 19,795.49 and 4,431.17

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Solution

The fourth proportional to 13,196.09, 19,795.49 and 4,431.17 is: 6,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.09 : 19,795.49 = 4,431.17 : x
  2. Step 2: Convert to fraction form
    13,196.09/19,795.49 = 4,431.17/x
  3. Step 3: Cross multiply
    13,196.09x = 19,795.49 × 4,431.17
  4. Step 4: Simplify right side
    13,196.09x = 87,717,181.42
  5. Step 5: Solve for x
    x = 87,717,181.42/13,196.09
  6. Step 6: Final answer
    x = 6,647.21

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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.