Home / 16,147.40-24,227.36-7,826.80

Finding the Fourth Proportional to 16,147.40, 24,227.36 and 7,826.80

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Solution

The fourth proportional to 16,147.40, 24,227.36 and 7,826.80 is: 11,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.40 : 24,227.36 = 7,826.80 : x
  2. Step 2: Convert to fraction form
    16,147.40/24,227.36 = 7,826.80/x
  3. Step 3: Cross multiply
    16,147.40x = 24,227.36 × 7,826.80
  4. Step 4: Simplify right side
    16,147.40x = 189,622,701.25
  5. Step 5: Solve for x
    x = 189,622,701.25/16,147.40
  6. Step 6: Final answer
    x = 11,743.23

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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.