Home / 11,563.70-17,345.55-4,168.40

Finding the Fourth Proportional to 11,563.70, 17,345.55 and 4,168.40

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Solution

The fourth proportional to 11,563.70, 17,345.55 and 4,168.40 is: 6,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.70 : 17,345.55 = 4,168.40 : x
  2. Step 2: Convert to fraction form
    11,563.70/17,345.55 = 4,168.40/x
  3. Step 3: Cross multiply
    11,563.70x = 17,345.55 × 4,168.40
  4. Step 4: Simplify right side
    11,563.70x = 72,303,190.62
  5. Step 5: Solve for x
    x = 72,303,190.62/11,563.70
  6. Step 6: Final answer
    x = 6,252.60

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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.