Home / 10,826.30-16,228.26-4,161.20

Finding the Fourth Proportional to 10,826.30, 16,228.26 and 4,161.20

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Solution

The fourth proportional to 10,826.30, 16,228.26 and 4,161.20 is: 6,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.30 : 16,228.26 = 4,161.20 : x
  2. Step 2: Convert to fraction form
    10,826.30/16,228.26 = 4,161.20/x
  3. Step 3: Cross multiply
    10,826.30x = 16,228.26 × 4,161.20
  4. Step 4: Simplify right side
    10,826.30x = 67,529,035.51
  5. Step 5: Solve for x
    x = 67,529,035.51/10,826.30
  6. Step 6: Final answer
    x = 6,237.50

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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.