Home / 11,004.72-16,513.60-10,111.44

Finding the Fourth Proportional to 11,004.72, 16,513.60 and 10,111.44

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Solution

The fourth proportional to 11,004.72, 16,513.60 and 10,111.44 is: 15,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.72 : 16,513.60 = 10,111.44 : x
  2. Step 2: Convert to fraction form
    11,004.72/16,513.60 = 10,111.44/x
  3. Step 3: Cross multiply
    11,004.72x = 16,513.60 × 10,111.44
  4. Step 4: Simplify right side
    11,004.72x = 166,976,275.58
  5. Step 5: Solve for x
    x = 166,976,275.58/11,004.72
  6. Step 6: Final answer
    x = 15,173.15

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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.