Home / 14,641.80-20,185.60-9,261.56

Finding the Fourth Proportional to 14,641.80, 20,185.60 and 9,261.56

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Solution

The fourth proportional to 14,641.80, 20,185.60 and 9,261.56 is: 12,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.80 : 20,185.60 = 9,261.56 : x
  2. Step 2: Convert to fraction form
    14,641.80/20,185.60 = 9,261.56/x
  3. Step 3: Cross multiply
    14,641.80x = 20,185.60 × 9,261.56
  4. Step 4: Simplify right side
    14,641.80x = 186,950,145.54
  5. Step 5: Solve for x
    x = 186,950,145.54/14,641.80
  6. Step 6: Final answer
    x = 12,768.25

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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.