Home / 14,825.88-20,464.86-8,540.76

Finding the Fourth Proportional to 14,825.88, 20,464.86 and 8,540.76

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Solution

The fourth proportional to 14,825.88, 20,464.86 and 8,540.76 is: 11,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.88 : 20,464.86 = 8,540.76 : x
  2. Step 2: Convert to fraction form
    14,825.88/20,464.86 = 8,540.76/x
  3. Step 3: Cross multiply
    14,825.88x = 20,464.86 × 8,540.76
  4. Step 4: Simplify right side
    14,825.88x = 174,785,457.69
  5. Step 5: Solve for x
    x = 174,785,457.69/14,825.88
  6. Step 6: Final answer
    x = 11,789.21

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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.