Home / 13,170.60-19,763.76-4,736.40

Finding the Fourth Proportional to 13,170.60, 19,763.76 and 4,736.40

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Solution

The fourth proportional to 13,170.60, 19,763.76 and 4,736.40 is: 7,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.60 : 19,763.76 = 4,736.40 : x
  2. Step 2: Convert to fraction form
    13,170.60/19,763.76 = 4,736.40/x
  3. Step 3: Cross multiply
    13,170.60x = 19,763.76 × 4,736.40
  4. Step 4: Simplify right side
    13,170.60x = 93,609,072.86
  5. Step 5: Solve for x
    x = 93,609,072.86/13,170.60
  6. Step 6: Final answer
    x = 7,107.43

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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.