Home / 10,286.56-14,199.60-6,306.40

Finding the Fourth Proportional to 10,286.56, 14,199.60 and 6,306.40

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Solution

The fourth proportional to 10,286.56, 14,199.60 and 6,306.40 is: 8,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.56 : 14,199.60 = 6,306.40 : x
  2. Step 2: Convert to fraction form
    10,286.56/14,199.60 = 6,306.40/x
  3. Step 3: Cross multiply
    10,286.56x = 14,199.60 × 6,306.40
  4. Step 4: Simplify right side
    10,286.56x = 89,548,357.44
  5. Step 5: Solve for x
    x = 89,548,357.44/10,286.56
  6. Step 6: Final answer
    x = 8,705.37

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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.