Home / 10,999.09-16,500.97-3,603.01

Finding the Fourth Proportional to 10,999.09, 16,500.97 and 3,603.01

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Solution

The fourth proportional to 10,999.09, 16,500.97 and 3,603.01 is: 5,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.09 : 16,500.97 = 3,603.01 : x
  2. Step 2: Convert to fraction form
    10,999.09/16,500.97 = 3,603.01/x
  3. Step 3: Cross multiply
    10,999.09x = 16,500.97 × 3,603.01
  4. Step 4: Simplify right side
    10,999.09x = 59,453,159.92
  5. Step 5: Solve for x
    x = 59,453,159.92/10,999.09
  6. Step 6: Final answer
    x = 5,405.28

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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.