Home / 18,815.70-28,240.46-10,058.10

Finding the Fourth Proportional to 18,815.70, 28,240.46 and 10,058.10

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Solution

The fourth proportional to 18,815.70, 28,240.46 and 10,058.10 is: 15,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.70 : 28,240.46 = 10,058.10 : x
  2. Step 2: Convert to fraction form
    18,815.70/28,240.46 = 10,058.10/x
  3. Step 3: Cross multiply
    18,815.70x = 28,240.46 × 10,058.10
  4. Step 4: Simplify right side
    18,815.70x = 284,045,370.73
  5. Step 5: Solve for x
    x = 284,045,370.73/18,815.70
  6. Step 6: Final answer
    x = 15,096.19

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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.