Home / 11,205.60-16,808.40-5,956.80

Finding the Fourth Proportional to 11,205.60, 16,808.40 and 5,956.80

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Solution

The fourth proportional to 11,205.60, 16,808.40 and 5,956.80 is: 8,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.60 : 16,808.40 = 5,956.80 : x
  2. Step 2: Convert to fraction form
    11,205.60/16,808.40 = 5,956.80/x
  3. Step 3: Cross multiply
    11,205.60x = 16,808.40 × 5,956.80
  4. Step 4: Simplify right side
    11,205.60x = 100,124,277.12
  5. Step 5: Solve for x
    x = 100,124,277.12/11,205.60
  6. Step 6: Final answer
    x = 8,935.20

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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.