Home / 13,363.64-18,441.99-8,329.89

Finding the Fourth Proportional to 13,363.64, 18,441.99 and 8,329.89

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Solution

The fourth proportional to 13,363.64, 18,441.99 and 8,329.89 is: 11,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.64 : 18,441.99 = 8,329.89 : x
  2. Step 2: Convert to fraction form
    13,363.64/18,441.99 = 8,329.89/x
  3. Step 3: Cross multiply
    13,363.64x = 18,441.99 × 8,329.89
  4. Step 4: Simplify right side
    13,363.64x = 153,619,748.08
  5. Step 5: Solve for x
    x = 153,619,748.08/13,363.64
  6. Step 6: Final answer
    x = 11,495.35

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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.