Home / 14,281.11-21,426.73-6,382.90

Finding the Fourth Proportional to 14,281.11, 21,426.73 and 6,382.90

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Solution

The fourth proportional to 14,281.11, 21,426.73 and 6,382.90 is: 9,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.11 : 21,426.73 = 6,382.90 : x
  2. Step 2: Convert to fraction form
    14,281.11/21,426.73 = 6,382.90/x
  3. Step 3: Cross multiply
    14,281.11x = 21,426.73 × 6,382.90
  4. Step 4: Simplify right side
    14,281.11x = 136,764,674.92
  5. Step 5: Solve for x
    x = 136,764,674.92/14,281.11
  6. Step 6: Final answer
    x = 9,576.61

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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.