Home / 10,236.48-14,120.82-6,839.34

Finding the Fourth Proportional to 10,236.48, 14,120.82 and 6,839.34

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Solution

The fourth proportional to 10,236.48, 14,120.82 and 6,839.34 is: 9,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.48 : 14,120.82 = 6,839.34 : x
  2. Step 2: Convert to fraction form
    10,236.48/14,120.82 = 6,839.34/x
  3. Step 3: Cross multiply
    10,236.48x = 14,120.82 × 6,839.34
  4. Step 4: Simplify right side
    10,236.48x = 96,577,089.06
  5. Step 5: Solve for x
    x = 96,577,089.06/10,236.48
  6. Step 6: Final answer
    x = 9,434.60

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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.