Home / 13,893.48-20,854.32-12,322.50

Finding the Fourth Proportional to 13,893.48, 20,854.32 and 12,322.50

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Solution

The fourth proportional to 13,893.48, 20,854.32 and 12,322.50 is: 18,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.48 : 20,854.32 = 12,322.50 : x
  2. Step 2: Convert to fraction form
    13,893.48/20,854.32 = 12,322.50/x
  3. Step 3: Cross multiply
    13,893.48x = 20,854.32 × 12,322.50
  4. Step 4: Simplify right side
    13,893.48x = 256,977,358.20
  5. Step 5: Solve for x
    x = 256,977,358.20/13,893.48
  6. Step 6: Final answer
    x = 18,496.26

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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.