Home / 10,428.68-14,393.42-6,236.92

Finding the Fourth Proportional to 10,428.68, 14,393.42 and 6,236.92

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Solution

The fourth proportional to 10,428.68, 14,393.42 and 6,236.92 is: 8,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.68 : 14,393.42 = 6,236.92 : x
  2. Step 2: Convert to fraction form
    10,428.68/14,393.42 = 6,236.92/x
  3. Step 3: Cross multiply
    10,428.68x = 14,393.42 × 6,236.92
  4. Step 4: Simplify right side
    10,428.68x = 89,770,609.07
  5. Step 5: Solve for x
    x = 89,770,609.07/10,428.68
  6. Step 6: Final answer
    x = 8,608.05

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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.