Home / 13,582.77-20,372.43-5,257.10

Finding the Fourth Proportional to 13,582.77, 20,372.43 and 5,257.10

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Solution

The fourth proportional to 13,582.77, 20,372.43 and 5,257.10 is: 7,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.77 : 20,372.43 = 5,257.10 : x
  2. Step 2: Convert to fraction form
    13,582.77/20,372.43 = 5,257.10/x
  3. Step 3: Cross multiply
    13,582.77x = 20,372.43 × 5,257.10
  4. Step 4: Simplify right side
    13,582.77x = 107,099,901.75
  5. Step 5: Solve for x
    x = 107,099,901.75/13,582.77
  6. Step 6: Final answer
    x = 7,884.98

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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.