Home / 14,120.02-21,171.98-5,805.88

Finding the Fourth Proportional to 14,120.02, 21,171.98 and 5,805.88

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Solution

The fourth proportional to 14,120.02, 21,171.98 and 5,805.88 is: 8,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.02 : 21,171.98 = 5,805.88 : x
  2. Step 2: Convert to fraction form
    14,120.02/21,171.98 = 5,805.88/x
  3. Step 3: Cross multiply
    14,120.02x = 21,171.98 × 5,805.88
  4. Step 4: Simplify right side
    14,120.02x = 122,921,936.83
  5. Step 5: Solve for x
    x = 122,921,936.83/14,120.02
  6. Step 6: Final answer
    x = 8,705.51

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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.