Home / 15,074.37-20,802.24-8,359.98

Finding the Fourth Proportional to 15,074.37, 20,802.24 and 8,359.98

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Solution

The fourth proportional to 15,074.37, 20,802.24 and 8,359.98 is: 11,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.37 : 20,802.24 = 8,359.98 : x
  2. Step 2: Convert to fraction form
    15,074.37/20,802.24 = 8,359.98/x
  3. Step 3: Cross multiply
    15,074.37x = 20,802.24 × 8,359.98
  4. Step 4: Simplify right side
    15,074.37x = 173,906,310.36
  5. Step 5: Solve for x
    x = 173,906,310.36/15,074.37
  6. Step 6: Final answer
    x = 11,536.56

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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.