Home / 10,540.48-14,544.32-6,290.56

Finding the Fourth Proportional to 10,540.48, 14,544.32 and 6,290.56

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Solution

The fourth proportional to 10,540.48, 14,544.32 and 6,290.56 is: 8,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.48 : 14,544.32 = 6,290.56 : x
  2. Step 2: Convert to fraction form
    10,540.48/14,544.32 = 6,290.56/x
  3. Step 3: Cross multiply
    10,540.48x = 14,544.32 × 6,290.56
  4. Step 4: Simplify right side
    10,540.48x = 91,491,917.62
  5. Step 5: Solve for x
    x = 91,491,917.62/10,540.48
  6. Step 6: Final answer
    x = 8,680.05

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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.