Home / 13,822.50-20,732.88-5,925

Finding the Fourth Proportional to 13,822.50, 20,732.88 and 5,925

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Solution

The fourth proportional to 13,822.50, 20,732.88 and 5,925 is: 8,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.50 : 20,732.88 = 5,925 : x
  2. Step 2: Convert to fraction form
    13,822.50/20,732.88 = 5,925/x
  3. Step 3: Cross multiply
    13,822.50x = 20,732.88 × 5,925
  4. Step 4: Simplify right side
    13,822.50x = 122,842,314
  5. Step 5: Solve for x
    x = 122,842,314/13,822.50
  6. Step 6: Final answer
    x = 8,887.13

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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.