Home / 14,148.37-21,193.40-8,287.21

Finding the Fourth Proportional to 14,148.37, 21,193.40 and 8,287.21

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Solution

The fourth proportional to 14,148.37, 21,193.40 and 8,287.21 is: 12,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.37 : 21,193.40 = 8,287.21 : x
  2. Step 2: Convert to fraction form
    14,148.37/21,193.40 = 8,287.21/x
  3. Step 3: Cross multiply
    14,148.37x = 21,193.40 × 8,287.21
  4. Step 4: Simplify right side
    14,148.37x = 175,634,114.98
  5. Step 5: Solve for x
    x = 175,634,114.98/14,148.37
  6. Step 6: Final answer
    x = 12,413.73

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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.