Home / 12,942.54-19,389.19-6,693.19

Finding the Fourth Proportional to 12,942.54, 19,389.19 and 6,693.19

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Solution

The fourth proportional to 12,942.54, 19,389.19 and 6,693.19 is: 10,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.54 : 19,389.19 = 6,693.19 : x
  2. Step 2: Convert to fraction form
    12,942.54/19,389.19 = 6,693.19/x
  3. Step 3: Cross multiply
    12,942.54x = 19,389.19 × 6,693.19
  4. Step 4: Simplify right side
    12,942.54x = 129,775,532.62
  5. Step 5: Solve for x
    x = 129,775,532.62/12,942.54
  6. Step 6: Final answer
    x = 10,027.05

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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.