Home / 13,339.92-18,395.26-11,457.73

Finding the Fourth Proportional to 13,339.92, 18,395.26 and 11,457.73

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Solution

The fourth proportional to 13,339.92, 18,395.26 and 11,457.73 is: 15,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.92 : 18,395.26 = 11,457.73 : x
  2. Step 2: Convert to fraction form
    13,339.92/18,395.26 = 11,457.73/x
  3. Step 3: Cross multiply
    13,339.92x = 18,395.26 × 11,457.73
  4. Step 4: Simplify right side
    13,339.92x = 210,767,922.36
  5. Step 5: Solve for x
    x = 210,767,922.36/13,339.92
  6. Step 6: Final answer
    x = 15,799.79

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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.