Home / 10,991.36-16,485.32-3,094.47

Finding the Fourth Proportional to 10,991.36, 16,485.32 and 3,094.47

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Solution

The fourth proportional to 10,991.36, 16,485.32 and 3,094.47 is: 4,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.36 : 16,485.32 = 3,094.47 : x
  2. Step 2: Convert to fraction form
    10,991.36/16,485.32 = 3,094.47/x
  3. Step 3: Cross multiply
    10,991.36x = 16,485.32 × 3,094.47
  4. Step 4: Simplify right side
    10,991.36x = 51,013,335.92
  5. Step 5: Solve for x
    x = 51,013,335.92/10,991.36
  6. Step 6: Final answer
    x = 4,641.22

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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.