Home / 20,072.94-30,119.74-9,554.88

Finding the Fourth Proportional to 20,072.94, 30,119.74 and 9,554.88

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Solution

The fourth proportional to 20,072.94, 30,119.74 and 9,554.88 is: 14,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.94 : 30,119.74 = 9,554.88 : x
  2. Step 2: Convert to fraction form
    20,072.94/30,119.74 = 9,554.88/x
  3. Step 3: Cross multiply
    20,072.94x = 30,119.74 × 9,554.88
  4. Step 4: Simplify right side
    20,072.94x = 287,790,501.33
  5. Step 5: Solve for x
    x = 287,790,501.33/20,072.94
  6. Step 6: Final answer
    x = 14,337.24

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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.