Home / 13,080.48-19,622.52-4,759.44

Finding the Fourth Proportional to 13,080.48, 19,622.52 and 4,759.44

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Solution

The fourth proportional to 13,080.48, 19,622.52 and 4,759.44 is: 7,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.48 : 19,622.52 = 4,759.44 : x
  2. Step 2: Convert to fraction form
    13,080.48/19,622.52 = 4,759.44/x
  3. Step 3: Cross multiply
    13,080.48x = 19,622.52 × 4,759.44
  4. Step 4: Simplify right side
    13,080.48x = 93,392,206.59
  5. Step 5: Solve for x
    x = 93,392,206.59/13,080.48
  6. Step 6: Final answer
    x = 7,139.81

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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.