Home / 11,187.99-16,771.05-4,618.76

Finding the Fourth Proportional to 11,187.99, 16,771.05 and 4,618.76

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Solution

The fourth proportional to 11,187.99, 16,771.05 and 4,618.76 is: 6,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.99 : 16,771.05 = 4,618.76 : x
  2. Step 2: Convert to fraction form
    11,187.99/16,771.05 = 4,618.76/x
  3. Step 3: Cross multiply
    11,187.99x = 16,771.05 × 4,618.76
  4. Step 4: Simplify right side
    11,187.99x = 77,461,371.04
  5. Step 5: Solve for x
    x = 77,461,371.04/11,187.99
  6. Step 6: Final answer
    x = 6,923.62

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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.