Home / 13,941.05-19,229.90-8,271.79

Finding the Fourth Proportional to 13,941.05, 19,229.90 and 8,271.79

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Solution

The fourth proportional to 13,941.05, 19,229.90 and 8,271.79 is: 11,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.05 : 19,229.90 = 8,271.79 : x
  2. Step 2: Convert to fraction form
    13,941.05/19,229.90 = 8,271.79/x
  3. Step 3: Cross multiply
    13,941.05x = 19,229.90 × 8,271.79
  4. Step 4: Simplify right side
    13,941.05x = 159,065,605.09
  5. Step 5: Solve for x
    x = 159,065,605.09/13,941.05
  6. Step 6: Final answer
    x = 11,409.87

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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.