Home / 11,089.40-16,629.08-3,190.10

Finding the Fourth Proportional to 11,089.40, 16,629.08 and 3,190.10

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Solution

The fourth proportional to 11,089.40, 16,629.08 and 3,190.10 is: 4,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.40 : 16,629.08 = 3,190.10 : x
  2. Step 2: Convert to fraction form
    11,089.40/16,629.08 = 3,190.10/x
  3. Step 3: Cross multiply
    11,089.40x = 16,629.08 × 3,190.10
  4. Step 4: Simplify right side
    11,089.40x = 53,048,329.01
  5. Step 5: Solve for x
    x = 53,048,329.01/11,089.40
  6. Step 6: Final answer
    x = 4,783.70

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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.