Home / 12,982.68-17,916.48-7,317.63

Finding the Fourth Proportional to 12,982.68, 17,916.48 and 7,317.63

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Solution

The fourth proportional to 12,982.68, 17,916.48 and 7,317.63 is: 10,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.68 : 17,916.48 = 7,317.63 : x
  2. Step 2: Convert to fraction form
    12,982.68/17,916.48 = 7,317.63/x
  3. Step 3: Cross multiply
    12,982.68x = 17,916.48 × 7,317.63
  4. Step 4: Simplify right side
    12,982.68x = 131,106,171.54
  5. Step 5: Solve for x
    x = 131,106,171.54/12,982.68
  6. Step 6: Final answer
    x = 10,098.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.