Home / 14,844.07-20,485.14-8,129.98

Finding the Fourth Proportional to 14,844.07, 20,485.14 and 8,129.98

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Solution

The fourth proportional to 14,844.07, 20,485.14 and 8,129.98 is: 11,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.07 : 20,485.14 = 8,129.98 : x
  2. Step 2: Convert to fraction form
    14,844.07/20,485.14 = 8,129.98/x
  3. Step 3: Cross multiply
    14,844.07x = 20,485.14 × 8,129.98
  4. Step 4: Simplify right side
    14,844.07x = 166,543,773.62
  5. Step 5: Solve for x
    x = 166,543,773.62/14,844.07
  6. Step 6: Final answer
    x = 11,219.55

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1.5x scale

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.