Home / 11,214.72-16,822.08-4,636.80

Finding the Fourth Proportional to 11,214.72, 16,822.08 and 4,636.80

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Solution

The fourth proportional to 11,214.72, 16,822.08 and 4,636.80 is: 6,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.72 : 16,822.08 = 4,636.80 : x
  2. Step 2: Convert to fraction form
    11,214.72/16,822.08 = 4,636.80/x
  3. Step 3: Cross multiply
    11,214.72x = 16,822.08 × 4,636.80
  4. Step 4: Simplify right side
    11,214.72x = 78,000,620.54
  5. Step 5: Solve for x
    x = 78,000,620.54/11,214.72
  6. Step 6: Final answer
    x = 6,955.20

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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.