Home / 16,989.40-25,469.58-6,453.52

Finding the Fourth Proportional to 16,989.40, 25,469.58 and 6,453.52

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Solution

The fourth proportional to 16,989.40, 25,469.58 and 6,453.52 is: 9,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.40 : 25,469.58 = 6,453.52 : x
  2. Step 2: Convert to fraction form
    16,989.40/25,469.58 = 6,453.52/x
  3. Step 3: Cross multiply
    16,989.40x = 25,469.58 × 6,453.52
  4. Step 4: Simplify right side
    16,989.40x = 164,368,443.92
  5. Step 5: Solve for x
    x = 164,368,443.92/16,989.40
  6. Step 6: Final answer
    x = 9,674.76

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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.