Home / 13,080.12-19,622.36-4,760.56

Finding the Fourth Proportional to 13,080.12, 19,622.36 and 4,760.56

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Solution

The fourth proportional to 13,080.12, 19,622.36 and 4,760.56 is: 7,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.12 : 19,622.36 = 4,760.56 : x
  2. Step 2: Convert to fraction form
    13,080.12/19,622.36 = 4,760.56/x
  3. Step 3: Cross multiply
    13,080.12x = 19,622.36 × 4,760.56
  4. Step 4: Simplify right side
    13,080.12x = 93,413,422.12
  5. Step 5: Solve for x
    x = 93,413,422.12/13,080.12
  6. Step 6: Final answer
    x = 7,141.63

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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.