Home / 16,808.80-23,196.70-9,255.50

Finding the Fourth Proportional to 16,808.80, 23,196.70 and 9,255.50

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Solution

The fourth proportional to 16,808.80, 23,196.70 and 9,255.50 is: 12,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.80 : 23,196.70 = 9,255.50 : x
  2. Step 2: Convert to fraction form
    16,808.80/23,196.70 = 9,255.50/x
  3. Step 3: Cross multiply
    16,808.80x = 23,196.70 × 9,255.50
  4. Step 4: Simplify right side
    16,808.80x = 214,697,056.85
  5. Step 5: Solve for x
    x = 214,697,056.85/16,808.80
  6. Step 6: Final answer
    x = 12,772.90

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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.