Home / 10,790.07-16,178.61-4,219.35

Finding the Fourth Proportional to 10,790.07, 16,178.61 and 4,219.35

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Solution

The fourth proportional to 10,790.07, 16,178.61 and 4,219.35 is: 6,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.07 : 16,178.61 = 4,219.35 : x
  2. Step 2: Convert to fraction form
    10,790.07/16,178.61 = 4,219.35/x
  3. Step 3: Cross multiply
    10,790.07x = 16,178.61 × 4,219.35
  4. Step 4: Simplify right side
    10,790.07x = 68,263,173.26
  5. Step 5: Solve for x
    x = 68,263,173.26/10,790.07
  6. Step 6: Final answer
    x = 6,326.48

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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.