Home / 13,312.35-19,954.76-4,986.50

Finding the Fourth Proportional to 13,312.35, 19,954.76 and 4,986.50

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Solution

The fourth proportional to 13,312.35, 19,954.76 and 4,986.50 is: 7,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.35 : 19,954.76 = 4,986.50 : x
  2. Step 2: Convert to fraction form
    13,312.35/19,954.76 = 4,986.50/x
  3. Step 3: Cross multiply
    13,312.35x = 19,954.76 × 4,986.50
  4. Step 4: Simplify right side
    13,312.35x = 99,504,286.03
  5. Step 5: Solve for x
    x = 99,504,286.03/13,312.35
  6. Step 6: Final answer
    x = 7,474.58

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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.