Home / 15,519.56-23,282.99-5,131.31

Finding the Fourth Proportional to 15,519.56, 23,282.99 and 5,131.31

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Solution

The fourth proportional to 15,519.56, 23,282.99 and 5,131.31 is: 7,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.56 : 23,282.99 = 5,131.31 : x
  2. Step 2: Convert to fraction form
    15,519.56/23,282.99 = 5,131.31/x
  3. Step 3: Cross multiply
    15,519.56x = 23,282.99 × 5,131.31
  4. Step 4: Simplify right side
    15,519.56x = 119,472,310.45
  5. Step 5: Solve for x
    x = 119,472,310.45/15,519.56
  6. Step 6: Final answer
    x = 7,698.18

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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.