Home / 11,423.57-17,108.73-11,108.28

Finding the Fourth Proportional to 11,423.57, 17,108.73 and 11,108.28

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Solution

The fourth proportional to 11,423.57, 17,108.73 and 11,108.28 is: 16,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.57 : 17,108.73 = 11,108.28 : x
  2. Step 2: Convert to fraction form
    11,423.57/17,108.73 = 11,108.28/x
  3. Step 3: Cross multiply
    11,423.57x = 17,108.73 × 11,108.28
  4. Step 4: Simplify right side
    11,423.57x = 190,048,563.28
  5. Step 5: Solve for x
    x = 190,048,563.28/11,423.57
  6. Step 6: Final answer
    x = 16,636.53

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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.