Home / 13,170.60-19,748.70-5,370.60

Finding the Fourth Proportional to 13,170.60, 19,748.70 and 5,370.60

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Solution

The fourth proportional to 13,170.60, 19,748.70 and 5,370.60 is: 8,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.60 : 19,748.70 = 5,370.60 : x
  2. Step 2: Convert to fraction form
    13,170.60/19,748.70 = 5,370.60/x
  3. Step 3: Cross multiply
    13,170.60x = 19,748.70 × 5,370.60
  4. Step 4: Simplify right side
    13,170.60x = 106,062,368.22
  5. Step 5: Solve for x
    x = 106,062,368.22/13,170.60
  6. Step 6: Final answer
    x = 8,052.96

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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.