Home / 14,558.06-20,090.13-8,270.44

Finding the Fourth Proportional to 14,558.06, 20,090.13 and 8,270.44

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Solution

The fourth proportional to 14,558.06, 20,090.13 and 8,270.44 is: 11,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.06 : 20,090.13 = 8,270.44 : x
  2. Step 2: Convert to fraction form
    14,558.06/20,090.13 = 8,270.44/x
  3. Step 3: Cross multiply
    14,558.06x = 20,090.13 × 8,270.44
  4. Step 4: Simplify right side
    14,558.06x = 166,154,133.52
  5. Step 5: Solve for x
    x = 166,154,133.52/14,558.06
  6. Step 6: Final answer
    x = 11,413.20

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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.