Home / 19,855.49-27,401.04-10,903.64

Finding the Fourth Proportional to 19,855.49, 27,401.04 and 10,903.64

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Solution

The fourth proportional to 19,855.49, 27,401.04 and 10,903.64 is: 15,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.49 : 27,401.04 = 10,903.64 : x
  2. Step 2: Convert to fraction form
    19,855.49/27,401.04 = 10,903.64/x
  3. Step 3: Cross multiply
    19,855.49x = 27,401.04 × 10,903.64
  4. Step 4: Simplify right side
    19,855.49x = 298,770,938.78
  5. Step 5: Solve for x
    x = 298,770,938.78/19,855.49
  6. Step 6: Final answer
    x = 15,047.27

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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.