Home / 13,315.08-19,976.61-3,955.41

Finding the Fourth Proportional to 13,315.08, 19,976.61 and 3,955.41

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Solution

The fourth proportional to 13,315.08, 19,976.61 and 3,955.41 is: 5,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.08 : 19,976.61 = 3,955.41 : x
  2. Step 2: Convert to fraction form
    13,315.08/19,976.61 = 3,955.41/x
  3. Step 3: Cross multiply
    13,315.08x = 19,976.61 × 3,955.41
  4. Step 4: Simplify right side
    13,315.08x = 79,015,682.96
  5. Step 5: Solve for x
    x = 79,015,682.96/13,315.08
  6. Step 6: Final answer
    x = 5,934.30

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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.