Home / 13,552.60-20,290.56-8,610

Finding the Fourth Proportional to 13,552.60, 20,290.56 and 8,610

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Solution

The fourth proportional to 13,552.60, 20,290.56 and 8,610 is: 12,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.60 : 20,290.56 = 8,610 : x
  2. Step 2: Convert to fraction form
    13,552.60/20,290.56 = 8,610/x
  3. Step 3: Cross multiply
    13,552.60x = 20,290.56 × 8,610
  4. Step 4: Simplify right side
    13,552.60x = 174,701,721.60
  5. Step 5: Solve for x
    x = 174,701,721.60/13,552.60
  6. Step 6: Final answer
    x = 12,890.64

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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.