Home / 13,829.25-20,743.88-4,477.08

Finding the Fourth Proportional to 13,829.25, 20,743.88 and 4,477.08

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Solution

The fourth proportional to 13,829.25, 20,743.88 and 4,477.08 is: 6,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.25 : 20,743.88 = 4,477.08 : x
  2. Step 2: Convert to fraction form
    13,829.25/20,743.88 = 4,477.08/x
  3. Step 3: Cross multiply
    13,829.25x = 20,743.88 × 4,477.08
  4. Step 4: Simplify right side
    13,829.25x = 92,871,987.89
  5. Step 5: Solve for x
    x = 92,871,987.89/13,829.25
  6. Step 6: Final answer
    x = 6,715.62

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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.