Home / 11,004.20-16,490.10-9,351.80

Finding the Fourth Proportional to 11,004.20, 16,490.10 and 9,351.80

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Solution

The fourth proportional to 11,004.20, 16,490.10 and 9,351.80 is: 14,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.20 : 16,490.10 = 9,351.80 : x
  2. Step 2: Convert to fraction form
    11,004.20/16,490.10 = 9,351.80/x
  3. Step 3: Cross multiply
    11,004.20x = 16,490.10 × 9,351.80
  4. Step 4: Simplify right side
    11,004.20x = 154,212,117.18
  5. Step 5: Solve for x
    x = 154,212,117.18/11,004.20
  6. Step 6: Final answer
    x = 14,013.93

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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.