Home / 13,641.06-20,477.98-9,245.18

Finding the Fourth Proportional to 13,641.06, 20,477.98 and 9,245.18

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Solution

The fourth proportional to 13,641.06, 20,477.98 and 9,245.18 is: 13,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.06 : 20,477.98 = 9,245.18 : x
  2. Step 2: Convert to fraction form
    13,641.06/20,477.98 = 9,245.18/x
  3. Step 3: Cross multiply
    13,641.06x = 20,477.98 × 9,245.18
  4. Step 4: Simplify right side
    13,641.06x = 189,322,611.14
  5. Step 5: Solve for x
    x = 189,322,611.14/13,641.06
  6. Step 6: Final answer
    x = 13,878.88

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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.