Home / 13,841.66-20,752.43-5,519.18

Finding the Fourth Proportional to 13,841.66, 20,752.43 and 5,519.18

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Solution

The fourth proportional to 13,841.66, 20,752.43 and 5,519.18 is: 8,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.66 : 20,752.43 = 5,519.18 : x
  2. Step 2: Convert to fraction form
    13,841.66/20,752.43 = 5,519.18/x
  3. Step 3: Cross multiply
    13,841.66x = 20,752.43 × 5,519.18
  4. Step 4: Simplify right side
    13,841.66x = 114,536,396.61
  5. Step 5: Solve for x
    x = 114,536,396.61/13,841.66
  6. Step 6: Final answer
    x = 8,274.76

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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.