Home / 13,080.60-19,629.14-4,761.18

Finding the Fourth Proportional to 13,080.60, 19,629.14 and 4,761.18

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Solution

The fourth proportional to 13,080.60, 19,629.14 and 4,761.18 is: 7,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.60 : 19,629.14 = 4,761.18 : x
  2. Step 2: Convert to fraction form
    13,080.60/19,629.14 = 4,761.18/x
  3. Step 3: Cross multiply
    13,080.60x = 19,629.14 × 4,761.18
  4. Step 4: Simplify right side
    13,080.60x = 93,457,844.98
  5. Step 5: Solve for x
    x = 93,457,844.98/13,080.60
  6. Step 6: Final answer
    x = 7,144.77

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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.