Home / 11,511.28-17,252.88-4,923.55

Finding the Fourth Proportional to 11,511.28, 17,252.88 and 4,923.55

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Solution

The fourth proportional to 11,511.28, 17,252.88 and 4,923.55 is: 7,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.28 : 17,252.88 = 4,923.55 : x
  2. Step 2: Convert to fraction form
    11,511.28/17,252.88 = 4,923.55/x
  3. Step 3: Cross multiply
    11,511.28x = 17,252.88 × 4,923.55
  4. Step 4: Simplify right side
    11,511.28x = 84,945,417.32
  5. Step 5: Solve for x
    x = 84,945,417.32/11,511.28
  6. Step 6: Final answer
    x = 7,379.32

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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.