Home / 14,826.80-20,461.37-8,112.71

Finding the Fourth Proportional to 14,826.80, 20,461.37 and 8,112.71

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Solution

The fourth proportional to 14,826.80, 20,461.37 and 8,112.71 is: 11,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.80 : 20,461.37 = 8,112.71 : x
  2. Step 2: Convert to fraction form
    14,826.80/20,461.37 = 8,112.71/x
  3. Step 3: Cross multiply
    14,826.80x = 20,461.37 × 8,112.71
  4. Step 4: Simplify right side
    14,826.80x = 165,997,161.01
  5. Step 5: Solve for x
    x = 165,997,161.01/14,826.80
  6. Step 6: Final answer
    x = 11,195.75

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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.