Home / 14,039.81-21,060.87-4,179.11

Finding the Fourth Proportional to 14,039.81, 21,060.87 and 4,179.11

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Solution

The fourth proportional to 14,039.81, 21,060.87 and 4,179.11 is: 6,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.81 : 21,060.87 = 4,179.11 : x
  2. Step 2: Convert to fraction form
    14,039.81/21,060.87 = 4,179.11/x
  3. Step 3: Cross multiply
    14,039.81x = 21,060.87 × 4,179.11
  4. Step 4: Simplify right side
    14,039.81x = 88,015,692.43
  5. Step 5: Solve for x
    x = 88,015,692.43/14,039.81
  6. Step 6: Final answer
    x = 6,269.01

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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.