Home / 13,329.63-18,396.32-8,296.29

Finding the Fourth Proportional to 13,329.63, 18,396.32 and 8,296.29

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Solution

The fourth proportional to 13,329.63, 18,396.32 and 8,296.29 is: 11,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.63 : 18,396.32 = 8,296.29 : x
  2. Step 2: Convert to fraction form
    13,329.63/18,396.32 = 8,296.29/x
  3. Step 3: Cross multiply
    13,329.63x = 18,396.32 × 8,296.29
  4. Step 4: Simplify right side
    13,329.63x = 152,621,164.17
  5. Step 5: Solve for x
    x = 152,621,164.17/13,329.63
  6. Step 6: Final answer
    x = 11,449.77

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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.