Home / 13,531-20,302.58-8,599.36

Finding the Fourth Proportional to 13,531, 20,302.58 and 8,599.36

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Solution

The fourth proportional to 13,531, 20,302.58 and 8,599.36 is: 12,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531 : 20,302.58 = 8,599.36 : x
  2. Step 2: Convert to fraction form
    13,531/20,302.58 = 8,599.36/x
  3. Step 3: Cross multiply
    13,531x = 20,302.58 × 8,599.36
  4. Step 4: Simplify right side
    13,531x = 174,589,194.35
  5. Step 5: Solve for x
    x = 174,589,194.35/13,531
  6. Step 6: Final answer
    x = 12,902.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.