Home / 14,557.56-20,089.50-8,270.28

Finding the Fourth Proportional to 14,557.56, 20,089.50 and 8,270.28

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Solution

The fourth proportional to 14,557.56, 20,089.50 and 8,270.28 is: 11,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.56 : 20,089.50 = 8,270.28 : x
  2. Step 2: Convert to fraction form
    14,557.56/20,089.50 = 8,270.28/x
  3. Step 3: Cross multiply
    14,557.56x = 20,089.50 × 8,270.28
  4. Step 4: Simplify right side
    14,557.56x = 166,145,790.06
  5. Step 5: Solve for x
    x = 166,145,790.06/14,557.56
  6. Step 6: Final answer
    x = 11,413.02

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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.