Home / 11,074.60-16,616.70-5,228.20

Finding the Fourth Proportional to 11,074.60, 16,616.70 and 5,228.20

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Solution

The fourth proportional to 11,074.60, 16,616.70 and 5,228.20 is: 7,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.60 : 16,616.70 = 5,228.20 : x
  2. Step 2: Convert to fraction form
    11,074.60/16,616.70 = 5,228.20/x
  3. Step 3: Cross multiply
    11,074.60x = 16,616.70 × 5,228.20
  4. Step 4: Simplify right side
    11,074.60x = 86,875,430.94
  5. Step 5: Solve for x
    x = 86,875,430.94/11,074.60
  6. Step 6: Final answer
    x = 7,844.57

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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.