Home / 11,178.63-16,775.24-4,253.13

Finding the Fourth Proportional to 11,178.63, 16,775.24 and 4,253.13

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Solution

The fourth proportional to 11,178.63, 16,775.24 and 4,253.13 is: 6,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.63 : 16,775.24 = 4,253.13 : x
  2. Step 2: Convert to fraction form
    11,178.63/16,775.24 = 4,253.13/x
  3. Step 3: Cross multiply
    11,178.63x = 16,775.24 × 4,253.13
  4. Step 4: Simplify right side
    11,178.63x = 71,347,255.24
  5. Step 5: Solve for x
    x = 71,347,255.24/11,178.63
  6. Step 6: Final answer
    x = 6,382.47

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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.