Home / 13,080.97-19,615.30-4,755.12

Finding the Fourth Proportional to 13,080.97, 19,615.30 and 4,755.12

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Solution

The fourth proportional to 13,080.97, 19,615.30 and 4,755.12 is: 7,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.97 : 19,615.30 = 4,755.12 : x
  2. Step 2: Convert to fraction form
    13,080.97/19,615.30 = 4,755.12/x
  3. Step 3: Cross multiply
    13,080.97x = 19,615.30 × 4,755.12
  4. Step 4: Simplify right side
    13,080.97x = 93,273,105.34
  5. Step 5: Solve for x
    x = 93,273,105.34/13,080.97
  6. Step 6: Final answer
    x = 7,130.44

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1.5x scale

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.