Home / 13,661.01-20,487.47-5,868

Finding the Fourth Proportional to 13,661.01, 20,487.47 and 5,868

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Solution

The fourth proportional to 13,661.01, 20,487.47 and 5,868 is: 8,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.01 : 20,487.47 = 5,868 : x
  2. Step 2: Convert to fraction form
    13,661.01/20,487.47 = 5,868/x
  3. Step 3: Cross multiply
    13,661.01x = 20,487.47 × 5,868
  4. Step 4: Simplify right side
    13,661.01x = 120,220,444.62
  5. Step 5: Solve for x
    x = 120,220,444.62/13,661.01
  6. Step 6: Final answer
    x = 8,800.26

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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.