Home / 13,049.78-18,012.58-10,396.22

Finding the Fourth Proportional to 13,049.78, 18,012.58 and 10,396.22

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Solution

The fourth proportional to 13,049.78, 18,012.58 and 10,396.22 is: 14,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.78 : 18,012.58 = 10,396.22 : x
  2. Step 2: Convert to fraction form
    13,049.78/18,012.58 = 10,396.22/x
  3. Step 3: Cross multiply
    13,049.78x = 18,012.58 × 10,396.22
  4. Step 4: Simplify right side
    13,049.78x = 187,262,628.39
  5. Step 5: Solve for x
    x = 187,262,628.39/13,049.78
  6. Step 6: Final answer
    x = 14,349.87

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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.