Home / 10,379.44-14,326.68-7,236.64

Finding the Fourth Proportional to 10,379.44, 14,326.68 and 7,236.64

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Solution

The fourth proportional to 10,379.44, 14,326.68 and 7,236.64 is: 9,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.44 : 14,326.68 = 7,236.64 : x
  2. Step 2: Convert to fraction form
    10,379.44/14,326.68 = 7,236.64/x
  3. Step 3: Cross multiply
    10,379.44x = 14,326.68 × 7,236.64
  4. Step 4: Simplify right side
    10,379.44x = 103,677,025.56
  5. Step 5: Solve for x
    x = 103,677,025.56/10,379.44
  6. Step 6: Final answer
    x = 9,988.69

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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.