Home / 13,217.28-19,825.98-3,356.56

Finding the Fourth Proportional to 13,217.28, 19,825.98 and 3,356.56

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Solution

The fourth proportional to 13,217.28, 19,825.98 and 3,356.56 is: 5,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.28 : 19,825.98 = 3,356.56 : x
  2. Step 2: Convert to fraction form
    13,217.28/19,825.98 = 3,356.56/x
  3. Step 3: Cross multiply
    13,217.28x = 19,825.98 × 3,356.56
  4. Step 4: Simplify right side
    13,217.28x = 66,547,091.43
  5. Step 5: Solve for x
    x = 66,547,091.43/13,217.28
  6. Step 6: Final answer
    x = 5,034.86

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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.