Home / 19,790.46-27,313.20-12,241.80

Finding the Fourth Proportional to 19,790.46, 27,313.20 and 12,241.80

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Solution

The fourth proportional to 19,790.46, 27,313.20 and 12,241.80 is: 16,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.46 : 27,313.20 = 12,241.80 : x
  2. Step 2: Convert to fraction form
    19,790.46/27,313.20 = 12,241.80/x
  3. Step 3: Cross multiply
    19,790.46x = 27,313.20 × 12,241.80
  4. Step 4: Simplify right side
    19,790.46x = 334,362,731.76
  5. Step 5: Solve for x
    x = 334,362,731.76/19,790.46
  6. Step 6: Final answer
    x = 16,895.15

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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.