Home / 11,163.10-15,404.76-6,127.28

Finding the Fourth Proportional to 11,163.10, 15,404.76 and 6,127.28

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Solution

The fourth proportional to 11,163.10, 15,404.76 and 6,127.28 is: 8,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.10 : 15,404.76 = 6,127.28 : x
  2. Step 2: Convert to fraction form
    11,163.10/15,404.76 = 6,127.28/x
  3. Step 3: Cross multiply
    11,163.10x = 15,404.76 × 6,127.28
  4. Step 4: Simplify right side
    11,163.10x = 94,389,277.85
  5. Step 5: Solve for x
    x = 94,389,277.85/11,163.10
  6. Step 6: Final answer
    x = 8,455.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.