Home / 19,294.86-28,944.60-6,812.31

Finding the Fourth Proportional to 19,294.86, 28,944.60 and 6,812.31

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Solution

The fourth proportional to 19,294.86, 28,944.60 and 6,812.31 is: 10,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.86 : 28,944.60 = 6,812.31 : x
  2. Step 2: Convert to fraction form
    19,294.86/28,944.60 = 6,812.31/x
  3. Step 3: Cross multiply
    19,294.86x = 28,944.60 × 6,812.31
  4. Step 4: Simplify right side
    19,294.86x = 197,179,588.03
  5. Step 5: Solve for x
    x = 197,179,588.03/19,294.86
  6. Step 6: Final answer
    x = 10,219.28

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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.