Home / 19,684.01-27,163.39-10,731.69

Finding the Fourth Proportional to 19,684.01, 27,163.39 and 10,731.69

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Solution

The fourth proportional to 19,684.01, 27,163.39 and 10,731.69 is: 14,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.01 : 27,163.39 = 10,731.69 : x
  2. Step 2: Convert to fraction form
    19,684.01/27,163.39 = 10,731.69/x
  3. Step 3: Cross multiply
    19,684.01x = 27,163.39 × 10,731.69
  4. Step 4: Simplify right side
    19,684.01x = 291,509,080.83
  5. Step 5: Solve for x
    x = 291,509,080.83/19,684.01
  6. Step 6: Final answer
    x = 14,809.44

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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.