Home / 18,861.83-28,285.31-6,851.14

Finding the Fourth Proportional to 18,861.83, 28,285.31 and 6,851.14

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Solution

The fourth proportional to 18,861.83, 28,285.31 and 6,851.14 is: 10,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.83 : 28,285.31 = 6,851.14 : x
  2. Step 2: Convert to fraction form
    18,861.83/28,285.31 = 6,851.14/x
  3. Step 3: Cross multiply
    18,861.83x = 28,285.31 × 6,851.14
  4. Step 4: Simplify right side
    18,861.83x = 193,786,443.07
  5. Step 5: Solve for x
    x = 193,786,443.07/18,861.83
  6. Step 6: Final answer
    x = 10,274.00

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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.