Home / 13,891.22-19,169.93-9,706.76

Finding the Fourth Proportional to 13,891.22, 19,169.93 and 9,706.76

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Solution

The fourth proportional to 13,891.22, 19,169.93 and 9,706.76 is: 13,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.22 : 19,169.93 = 9,706.76 : x
  2. Step 2: Convert to fraction form
    13,891.22/19,169.93 = 9,706.76/x
  3. Step 3: Cross multiply
    13,891.22x = 19,169.93 × 9,706.76
  4. Step 4: Simplify right side
    13,891.22x = 186,077,910.03
  5. Step 5: Solve for x
    x = 186,077,910.03/13,891.22
  6. Step 6: Final answer
    x = 13,395.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.