Home / 13,927.32-20,895.84-6,141.60

Finding the Fourth Proportional to 13,927.32, 20,895.84 and 6,141.60

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Solution

The fourth proportional to 13,927.32, 20,895.84 and 6,141.60 is: 9,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.32 : 20,895.84 = 6,141.60 : x
  2. Step 2: Convert to fraction form
    13,927.32/20,895.84 = 6,141.60/x
  3. Step 3: Cross multiply
    13,927.32x = 20,895.84 × 6,141.60
  4. Step 4: Simplify right side
    13,927.32x = 128,333,890.94
  5. Step 5: Solve for x
    x = 128,333,890.94/13,927.32
  6. Step 6: Final answer
    x = 9,214.54

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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.