Home / 11,010.65-16,518.50-4,771.71

Finding the Fourth Proportional to 11,010.65, 16,518.50 and 4,771.71

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Solution

The fourth proportional to 11,010.65, 16,518.50 and 4,771.71 is: 7,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.65 : 16,518.50 = 4,771.71 : x
  2. Step 2: Convert to fraction form
    11,010.65/16,518.50 = 4,771.71/x
  3. Step 3: Cross multiply
    11,010.65x = 16,518.50 × 4,771.71
  4. Step 4: Simplify right side
    11,010.65x = 78,821,518.25
  5. Step 5: Solve for x
    x = 78,821,518.25/11,010.65
  6. Step 6: Final answer
    x = 7,158.66

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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.