Home / 14,126.94-21,188.76-3,739.50

Finding the Fourth Proportional to 14,126.94, 21,188.76 and 3,739.50

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Solution

The fourth proportional to 14,126.94, 21,188.76 and 3,739.50 is: 5,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.94 : 21,188.76 = 3,739.50 : x
  2. Step 2: Convert to fraction form
    14,126.94/21,188.76 = 3,739.50/x
  3. Step 3: Cross multiply
    14,126.94x = 21,188.76 × 3,739.50
  4. Step 4: Simplify right side
    14,126.94x = 79,235,368.02
  5. Step 5: Solve for x
    x = 79,235,368.02/14,126.94
  6. Step 6: Final answer
    x = 5,608.81

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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.