Home / 10,367.34-14,299.66-6,390.64

Finding the Fourth Proportional to 10,367.34, 14,299.66 and 6,390.64

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Solution

The fourth proportional to 10,367.34, 14,299.66 and 6,390.64 is: 8,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.34 : 14,299.66 = 6,390.64 : x
  2. Step 2: Convert to fraction form
    10,367.34/14,299.66 = 6,390.64/x
  3. Step 3: Cross multiply
    10,367.34x = 14,299.66 × 6,390.64
  4. Step 4: Simplify right side
    10,367.34x = 91,383,979.18
  5. Step 5: Solve for x
    x = 91,383,979.18/10,367.34
  6. Step 6: Final answer
    x = 8,814.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.