Home / 13,295.64-19,943.44-3,935.75

Finding the Fourth Proportional to 13,295.64, 19,943.44 and 3,935.75

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Solution

The fourth proportional to 13,295.64, 19,943.44 and 3,935.75 is: 5,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.64 : 19,943.44 = 3,935.75 : x
  2. Step 2: Convert to fraction form
    13,295.64/19,943.44 = 3,935.75/x
  3. Step 3: Cross multiply
    13,295.64x = 19,943.44 × 3,935.75
  4. Step 4: Simplify right side
    13,295.64x = 78,492,393.98
  5. Step 5: Solve for x
    x = 78,492,393.98/13,295.64
  6. Step 6: Final answer
    x = 5,903.62

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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.