Home / 11,277.63-16,916.36-8,814.52

Finding the Fourth Proportional to 11,277.63, 16,916.36 and 8,814.52

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Solution

The fourth proportional to 11,277.63, 16,916.36 and 8,814.52 is: 13,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.63 : 16,916.36 = 8,814.52 : x
  2. Step 2: Convert to fraction form
    11,277.63/16,916.36 = 8,814.52/x
  3. Step 3: Cross multiply
    11,277.63x = 16,916.36 × 8,814.52
  4. Step 4: Simplify right side
    11,277.63x = 149,109,570.62
  5. Step 5: Solve for x
    x = 149,109,570.62/11,277.63
  6. Step 6: Final answer
    x = 13,221.71

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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.