Home / 13,089.88-19,636.50-4,768.60

Finding the Fourth Proportional to 13,089.88, 19,636.50 and 4,768.60

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Solution

The fourth proportional to 13,089.88, 19,636.50 and 4,768.60 is: 7,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.88 : 19,636.50 = 4,768.60 : x
  2. Step 2: Convert to fraction form
    13,089.88/19,636.50 = 4,768.60/x
  3. Step 3: Cross multiply
    13,089.88x = 19,636.50 × 4,768.60
  4. Step 4: Simplify right side
    13,089.88x = 93,638,613.90
  5. Step 5: Solve for x
    x = 93,638,613.90/13,089.88
  6. Step 6: Final answer
    x = 7,153.51

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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.