Home / 13,114.71-19,675.36-3,755.51

Finding the Fourth Proportional to 13,114.71, 19,675.36 and 3,755.51

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Solution

The fourth proportional to 13,114.71, 19,675.36 and 3,755.51 is: 5,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.71 : 19,675.36 = 3,755.51 : x
  2. Step 2: Convert to fraction form
    13,114.71/19,675.36 = 3,755.51/x
  3. Step 3: Cross multiply
    13,114.71x = 19,675.36 × 3,755.51
  4. Step 4: Simplify right side
    13,114.71x = 73,891,080.88
  5. Step 5: Solve for x
    x = 73,891,080.88/13,114.71
  6. Step 6: Final answer
    x = 5,634.21

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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.