Home / 18,133.93-27,148.08-13,474.60

Finding the Fourth Proportional to 18,133.93, 27,148.08 and 13,474.60

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Solution

The fourth proportional to 18,133.93, 27,148.08 and 13,474.60 is: 20,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.93 : 27,148.08 = 13,474.60 : x
  2. Step 2: Convert to fraction form
    18,133.93/27,148.08 = 13,474.60/x
  3. Step 3: Cross multiply
    18,133.93x = 27,148.08 × 13,474.60
  4. Step 4: Simplify right side
    18,133.93x = 365,809,518.77
  5. Step 5: Solve for x
    x = 365,809,518.77/18,133.93
  6. Step 6: Final answer
    x = 20,172.66

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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.