Home / 11,010.57-16,518.38-4,771.63

Finding the Fourth Proportional to 11,010.57, 16,518.38 and 4,771.63

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Solution

The fourth proportional to 11,010.57, 16,518.38 and 4,771.63 is: 7,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.57 : 16,518.38 = 4,771.63 : x
  2. Step 2: Convert to fraction form
    11,010.57/16,518.38 = 4,771.63/x
  3. Step 3: Cross multiply
    11,010.57x = 16,518.38 × 4,771.63
  4. Step 4: Simplify right side
    11,010.57x = 78,819,670.06
  5. Step 5: Solve for x
    x = 78,819,670.06/11,010.57
  6. Step 6: Final answer
    x = 7,158.54

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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.