Home / 13,469.04-20,190.60-6,898.32

Finding the Fourth Proportional to 13,469.04, 20,190.60 and 6,898.32

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Solution

The fourth proportional to 13,469.04, 20,190.60 and 6,898.32 is: 10,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.04 : 20,190.60 = 6,898.32 : x
  2. Step 2: Convert to fraction form
    13,469.04/20,190.60 = 6,898.32/x
  3. Step 3: Cross multiply
    13,469.04x = 20,190.60 × 6,898.32
  4. Step 4: Simplify right side
    13,469.04x = 139,281,219.79
  5. Step 5: Solve for x
    x = 139,281,219.79/13,469.04
  6. Step 6: Final answer
    x = 10,340.84

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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.