Home / 10,783.18-16,168.67-4,201.79

Finding the Fourth Proportional to 10,783.18, 16,168.67 and 4,201.79

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Solution

The fourth proportional to 10,783.18, 16,168.67 and 4,201.79 is: 6,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.18 : 16,168.67 = 4,201.79 : x
  2. Step 2: Convert to fraction form
    10,783.18/16,168.67 = 4,201.79/x
  3. Step 3: Cross multiply
    10,783.18x = 16,168.67 × 4,201.79
  4. Step 4: Simplify right side
    10,783.18x = 67,937,334.91
  5. Step 5: Solve for x
    x = 67,937,334.91/10,783.18
  6. Step 6: Final answer
    x = 6,300.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.