Home / 13,250.80-19,847.40-8,047.60

Finding the Fourth Proportional to 13,250.80, 19,847.40 and 8,047.60

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Solution

The fourth proportional to 13,250.80, 19,847.40 and 8,047.60 is: 12,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.80 : 19,847.40 = 8,047.60 : x
  2. Step 2: Convert to fraction form
    13,250.80/19,847.40 = 8,047.60/x
  3. Step 3: Cross multiply
    13,250.80x = 19,847.40 × 8,047.60
  4. Step 4: Simplify right side
    13,250.80x = 159,723,936.24
  5. Step 5: Solve for x
    x = 159,723,936.24/13,250.80
  6. Step 6: Final answer
    x = 12,053.91

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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.