Home / 16,980.06-25,355.68-13,866.14

Finding the Fourth Proportional to 16,980.06, 25,355.68 and 13,866.14

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Solution

The fourth proportional to 16,980.06, 25,355.68 and 13,866.14 is: 20,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.06 : 25,355.68 = 13,866.14 : x
  2. Step 2: Convert to fraction form
    16,980.06/25,355.68 = 13,866.14/x
  3. Step 3: Cross multiply
    16,980.06x = 25,355.68 × 13,866.14
  4. Step 4: Simplify right side
    16,980.06x = 351,585,408.68
  5. Step 5: Solve for x
    x = 351,585,408.68/16,980.06
  6. Step 6: Final answer
    x = 20,705.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.