Home / 16,480.80-24,721.32-13,189.68

Finding the Fourth Proportional to 16,480.80, 24,721.32 and 13,189.68

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Solution

The fourth proportional to 16,480.80, 24,721.32 and 13,189.68 is: 19,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.80 : 24,721.32 = 13,189.68 : x
  2. Step 2: Convert to fraction form
    16,480.80/24,721.32 = 13,189.68/x
  3. Step 3: Cross multiply
    16,480.80x = 24,721.32 × 13,189.68
  4. Step 4: Simplify right side
    16,480.80x = 326,066,299.98
  5. Step 5: Solve for x
    x = 326,066,299.98/16,480.80
  6. Step 6: Final answer
    x = 19,784.62

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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.