Home / 10,790.81-16,182.11-4,216.14

Finding the Fourth Proportional to 10,790.81, 16,182.11 and 4,216.14

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Solution

The fourth proportional to 10,790.81, 16,182.11 and 4,216.14 is: 6,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.81 : 16,182.11 = 4,216.14 : x
  2. Step 2: Convert to fraction form
    10,790.81/16,182.11 = 4,216.14/x
  3. Step 3: Cross multiply
    10,790.81x = 16,182.11 × 4,216.14
  4. Step 4: Simplify right side
    10,790.81x = 68,226,020.17
  5. Step 5: Solve for x
    x = 68,226,020.17/10,790.81
  6. Step 6: Final answer
    x = 6,322.61

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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.