Home / 12,043.28-16,606.89-8,271.92

Finding the Fourth Proportional to 12,043.28, 16,606.89 and 8,271.92

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Solution

The fourth proportional to 12,043.28, 16,606.89 and 8,271.92 is: 11,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.28 : 16,606.89 = 8,271.92 : x
  2. Step 2: Convert to fraction form
    12,043.28/16,606.89 = 8,271.92/x
  3. Step 3: Cross multiply
    12,043.28x = 16,606.89 × 8,271.92
  4. Step 4: Simplify right side
    12,043.28x = 137,370,907.05
  5. Step 5: Solve for x
    x = 137,370,907.05/12,043.28
  6. Step 6: Final answer
    x = 11,406.43

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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.