Home / 14,280.09-19,692.09-11,007.80

Finding the Fourth Proportional to 14,280.09, 19,692.09 and 11,007.80

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Solution

The fourth proportional to 14,280.09, 19,692.09 and 11,007.80 is: 15,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.09 : 19,692.09 = 11,007.80 : x
  2. Step 2: Convert to fraction form
    14,280.09/19,692.09 = 11,007.80/x
  3. Step 3: Cross multiply
    14,280.09x = 19,692.09 × 11,007.80
  4. Step 4: Simplify right side
    14,280.09x = 216,766,489.84
  5. Step 5: Solve for x
    x = 216,766,489.84/14,280.09
  6. Step 6: Final answer
    x = 15,179.63

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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.