Home / 13,725.09-20,588.40-4,365.86

Finding the Fourth Proportional to 13,725.09, 20,588.40 and 4,365.86

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Solution

The fourth proportional to 13,725.09, 20,588.40 and 4,365.86 is: 6,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.09 : 20,588.40 = 4,365.86 : x
  2. Step 2: Convert to fraction form
    13,725.09/20,588.40 = 4,365.86/x
  3. Step 3: Cross multiply
    13,725.09x = 20,588.40 × 4,365.86
  4. Step 4: Simplify right side
    13,725.09x = 89,885,969.08
  5. Step 5: Solve for x
    x = 89,885,969.08/13,725.09
  6. Step 6: Final answer
    x = 6,549.03

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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.