Home / 14,191.00-21,305.34-12,124.28

Finding the Fourth Proportional to 14,191.00, 21,305.34 and 12,124.28

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Solution

The fourth proportional to 14,191.00, 21,305.34 and 12,124.28 is: 18,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.00 : 21,305.34 = 12,124.28 : x
  2. Step 2: Convert to fraction form
    14,191.00/21,305.34 = 12,124.28/x
  3. Step 3: Cross multiply
    14,191.00x = 21,305.34 × 12,124.28
  4. Step 4: Simplify right side
    14,191.00x = 258,311,907.66
  5. Step 5: Solve for x
    x = 258,311,907.66/14,191.00
  6. Step 6: Final answer
    x = 18,202.52

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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.