Home / 10,790.45-16,187.72-4,216.22

Finding the Fourth Proportional to 10,790.45, 16,187.72 and 4,216.22

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Solution

The fourth proportional to 10,790.45, 16,187.72 and 4,216.22 is: 6,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.45 : 16,187.72 = 4,216.22 : x
  2. Step 2: Convert to fraction form
    10,790.45/16,187.72 = 4,216.22/x
  3. Step 3: Cross multiply
    10,790.45x = 16,187.72 × 4,216.22
  4. Step 4: Simplify right side
    10,790.45x = 68,250,947.50
  5. Step 5: Solve for x
    x = 68,250,947.50/10,790.45
  6. Step 6: Final answer
    x = 6,325.13

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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.