Home / 11,245.13-15,519.64-6,529.41

Finding the Fourth Proportional to 11,245.13, 15,519.64 and 6,529.41

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Solution

The fourth proportional to 11,245.13, 15,519.64 and 6,529.41 is: 9,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.13 : 15,519.64 = 6,529.41 : x
  2. Step 2: Convert to fraction form
    11,245.13/15,519.64 = 6,529.41/x
  3. Step 3: Cross multiply
    11,245.13x = 15,519.64 × 6,529.41
  4. Step 4: Simplify right side
    11,245.13x = 101,334,042.58
  5. Step 5: Solve for x
    x = 101,334,042.58/11,245.13
  6. Step 6: Final answer
    x = 9,011.38

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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.