Home / 15,903.82-23,859.99-5,515.57

Finding the Fourth Proportional to 15,903.82, 23,859.99 and 5,515.57

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Solution

The fourth proportional to 15,903.82, 23,859.99 and 5,515.57 is: 8,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.82 : 23,859.99 = 5,515.57 : x
  2. Step 2: Convert to fraction form
    15,903.82/23,859.99 = 5,515.57/x
  3. Step 3: Cross multiply
    15,903.82x = 23,859.99 × 5,515.57
  4. Step 4: Simplify right side
    15,903.82x = 131,601,445.04
  5. Step 5: Solve for x
    x = 131,601,445.04/15,903.82
  6. Step 6: Final answer
    x = 8,274.83

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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.