Home / 13,340.20-20,004.90-4,570.60

Finding the Fourth Proportional to 13,340.20, 20,004.90 and 4,570.60

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Solution

The fourth proportional to 13,340.20, 20,004.90 and 4,570.60 is: 6,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.20 : 20,004.90 = 4,570.60 : x
  2. Step 2: Convert to fraction form
    13,340.20/20,004.90 = 4,570.60/x
  3. Step 3: Cross multiply
    13,340.20x = 20,004.90 × 4,570.60
  4. Step 4: Simplify right side
    13,340.20x = 91,434,395.94
  5. Step 5: Solve for x
    x = 91,434,395.94/13,340.20
  6. Step 6: Final answer
    x = 6,854.05

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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.