Home / 10,372.38-14,321.25-6,394.74

Finding the Fourth Proportional to 10,372.38, 14,321.25 and 6,394.74

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Solution

The fourth proportional to 10,372.38, 14,321.25 and 6,394.74 is: 8,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.38 : 14,321.25 = 6,394.74 : x
  2. Step 2: Convert to fraction form
    10,372.38/14,321.25 = 6,394.74/x
  3. Step 3: Cross multiply
    10,372.38x = 14,321.25 × 6,394.74
  4. Step 4: Simplify right side
    10,372.38x = 91,580,670.23
  5. Step 5: Solve for x
    x = 91,580,670.23/10,372.38
  6. Step 6: Final answer
    x = 8,829.28

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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.