Home / 19,949.96-27,506.58-12,485

Finding the Fourth Proportional to 19,949.96, 27,506.58 and 12,485

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Solution

The fourth proportional to 19,949.96, 27,506.58 and 12,485 is: 17,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.96 : 27,506.58 = 12,485 : x
  2. Step 2: Convert to fraction form
    19,949.96/27,506.58 = 12,485/x
  3. Step 3: Cross multiply
    19,949.96x = 27,506.58 × 12,485
  4. Step 4: Simplify right side
    19,949.96x = 343,419,651.30
  5. Step 5: Solve for x
    x = 343,419,651.30/19,949.96
  6. Step 6: Final answer
    x = 17,214.05

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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.