Home / 18,696.72-28,034.56-6,210.06

Finding the Fourth Proportional to 18,696.72, 28,034.56 and 6,210.06

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Solution

The fourth proportional to 18,696.72, 28,034.56 and 6,210.06 is: 9,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.72 : 28,034.56 = 6,210.06 : x
  2. Step 2: Convert to fraction form
    18,696.72/28,034.56 = 6,210.06/x
  3. Step 3: Cross multiply
    18,696.72x = 28,034.56 × 6,210.06
  4. Step 4: Simplify right side
    18,696.72x = 174,096,299.67
  5. Step 5: Solve for x
    x = 174,096,299.67/18,696.72
  6. Step 6: Final answer
    x = 9,311.60

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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.