Home / 13,635.60-20,453.65-4,275.41

Finding the Fourth Proportional to 13,635.60, 20,453.65 and 4,275.41

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Solution

The fourth proportional to 13,635.60, 20,453.65 and 4,275.41 is: 6,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.60 : 20,453.65 = 4,275.41 : x
  2. Step 2: Convert to fraction form
    13,635.60/20,453.65 = 4,275.41/x
  3. Step 3: Cross multiply
    13,635.60x = 20,453.65 × 4,275.41
  4. Step 4: Simplify right side
    13,635.60x = 87,447,637.48
  5. Step 5: Solve for x
    x = 87,447,637.48/13,635.60
  6. Step 6: Final answer
    x = 6,413.19

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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.