Home / 10,334.39-14,268.30-7,940.12

Finding the Fourth Proportional to 10,334.39, 14,268.30 and 7,940.12

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Solution

The fourth proportional to 10,334.39, 14,268.30 and 7,940.12 is: 10,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.39 : 14,268.30 = 7,940.12 : x
  2. Step 2: Convert to fraction form
    10,334.39/14,268.30 = 7,940.12/x
  3. Step 3: Cross multiply
    10,334.39x = 14,268.30 × 7,940.12
  4. Step 4: Simplify right side
    10,334.39x = 113,292,014.20
  5. Step 5: Solve for x
    x = 113,292,014.20/10,334.39
  6. Step 6: Final answer
    x = 10,962.62

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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.