Home / 19,684.05-27,164.01-10,731.57

Finding the Fourth Proportional to 19,684.05, 27,164.01 and 10,731.57

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Solution

The fourth proportional to 19,684.05, 27,164.01 and 10,731.57 is: 14,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.05 : 27,164.01 = 10,731.57 : x
  2. Step 2: Convert to fraction form
    19,684.05/27,164.01 = 10,731.57/x
  3. Step 3: Cross multiply
    19,684.05x = 27,164.01 × 10,731.57
  4. Step 4: Simplify right side
    19,684.05x = 291,512,474.80
  5. Step 5: Solve for x
    x = 291,512,474.80/19,684.05
  6. Step 6: Final answer
    x = 14,809.58

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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.