Home / 16,809.20-25,197.80-6,276.40

Finding the Fourth Proportional to 16,809.20, 25,197.80 and 6,276.40

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Solution

The fourth proportional to 16,809.20, 25,197.80 and 6,276.40 is: 9,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.20 : 25,197.80 = 6,276.40 : x
  2. Step 2: Convert to fraction form
    16,809.20/25,197.80 = 6,276.40/x
  3. Step 3: Cross multiply
    16,809.20x = 25,197.80 × 6,276.40
  4. Step 4: Simplify right side
    16,809.20x = 158,151,471.92
  5. Step 5: Solve for x
    x = 158,151,471.92/16,809.20
  6. Step 6: Final answer
    x = 9,408.63

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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.