Home / 13,400.84-18,488.25-8,093.72

Finding the Fourth Proportional to 13,400.84, 18,488.25 and 8,093.72

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Solution

The fourth proportional to 13,400.84, 18,488.25 and 8,093.72 is: 11,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.84 : 18,488.25 = 8,093.72 : x
  2. Step 2: Convert to fraction form
    13,400.84/18,488.25 = 8,093.72/x
  3. Step 3: Cross multiply
    13,400.84x = 18,488.25 × 8,093.72
  4. Step 4: Simplify right side
    13,400.84x = 149,638,765.01
  5. Step 5: Solve for x
    x = 149,638,765.01/13,400.84
  6. Step 6: Final answer
    x = 11,166.37

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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.