Home / 12,941.80-19,409.66-5,549.74

Finding the Fourth Proportional to 12,941.80, 19,409.66 and 5,549.74

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Solution

The fourth proportional to 12,941.80, 19,409.66 and 5,549.74 is: 8,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.80 : 19,409.66 = 5,549.74 : x
  2. Step 2: Convert to fraction form
    12,941.80/19,409.66 = 5,549.74/x
  3. Step 3: Cross multiply
    12,941.80x = 19,409.66 × 5,549.74
  4. Step 4: Simplify right side
    12,941.80x = 107,718,566.49
  5. Step 5: Solve for x
    x = 107,718,566.49/12,941.80
  6. Step 6: Final answer
    x = 8,323.31

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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.