Home / 11,296.72-16,945.08-4,718.80

Finding the Fourth Proportional to 11,296.72, 16,945.08 and 4,718.80

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Solution

The fourth proportional to 11,296.72, 16,945.08 and 4,718.80 is: 7,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.72 : 16,945.08 = 4,718.80 : x
  2. Step 2: Convert to fraction form
    11,296.72/16,945.08 = 4,718.80/x
  3. Step 3: Cross multiply
    11,296.72x = 16,945.08 × 4,718.80
  4. Step 4: Simplify right side
    11,296.72x = 79,960,443.50
  5. Step 5: Solve for x
    x = 79,960,443.50/11,296.72
  6. Step 6: Final answer
    x = 7,078.20

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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.