Home / 14,611.48-20,163.44-8,238.02

Finding the Fourth Proportional to 14,611.48, 20,163.44 and 8,238.02

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Solution

The fourth proportional to 14,611.48, 20,163.44 and 8,238.02 is: 11,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.48 : 20,163.44 = 8,238.02 : x
  2. Step 2: Convert to fraction form
    14,611.48/20,163.44 = 8,238.02/x
  3. Step 3: Cross multiply
    14,611.48x = 20,163.44 × 8,238.02
  4. Step 4: Simplify right side
    14,611.48x = 166,106,848.93
  5. Step 5: Solve for x
    x = 166,106,848.93/14,611.48
  6. Step 6: Final answer
    x = 11,368.24

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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.