Home / 13,329.98-18,396.13-8,026.50

Finding the Fourth Proportional to 13,329.98, 18,396.13 and 8,026.50

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Solution

The fourth proportional to 13,329.98, 18,396.13 and 8,026.50 is: 11,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.98 : 18,396.13 = 8,026.50 : x
  2. Step 2: Convert to fraction form
    13,329.98/18,396.13 = 8,026.50/x
  3. Step 3: Cross multiply
    13,329.98x = 18,396.13 × 8,026.50
  4. Step 4: Simplify right side
    13,329.98x = 147,656,537.45
  5. Step 5: Solve for x
    x = 147,656,537.45/13,329.98
  6. Step 6: Final answer
    x = 11,077.03

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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.