Home / 14,844.06-20,485.14-8,130

Finding the Fourth Proportional to 14,844.06, 20,485.14 and 8,130

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Solution

The fourth proportional to 14,844.06, 20,485.14 and 8,130 is: 11,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.06 : 20,485.14 = 8,130 : x
  2. Step 2: Convert to fraction form
    14,844.06/20,485.14 = 8,130/x
  3. Step 3: Cross multiply
    14,844.06x = 20,485.14 × 8,130
  4. Step 4: Simplify right side
    14,844.06x = 166,544,188.20
  5. Step 5: Solve for x
    x = 166,544,188.20/14,844.06
  6. Step 6: Final answer
    x = 11,219.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.