Home / 16,977.60-25,425.36-8,635.68

Finding the Fourth Proportional to 16,977.60, 25,425.36 and 8,635.68

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Solution

The fourth proportional to 16,977.60, 25,425.36 and 8,635.68 is: 12,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.60 : 25,425.36 = 8,635.68 : x
  2. Step 2: Convert to fraction form
    16,977.60/25,425.36 = 8,635.68/x
  3. Step 3: Cross multiply
    16,977.60x = 25,425.36 × 8,635.68
  4. Step 4: Simplify right side
    16,977.60x = 219,565,272.84
  5. Step 5: Solve for x
    x = 219,565,272.84/16,977.60
  6. Step 6: Final answer
    x = 12,932.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.