Home / 14,126.06-21,187.46-3,738.62

Finding the Fourth Proportional to 14,126.06, 21,187.46 and 3,738.62

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Solution

The fourth proportional to 14,126.06, 21,187.46 and 3,738.62 is: 5,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.06 : 21,187.46 = 3,738.62 : x
  2. Step 2: Convert to fraction form
    14,126.06/21,187.46 = 3,738.62/x
  3. Step 3: Cross multiply
    14,126.06x = 21,187.46 × 3,738.62
  4. Step 4: Simplify right side
    14,126.06x = 79,211,861.71
  5. Step 5: Solve for x
    x = 79,211,861.71/14,126.06
  6. Step 6: Final answer
    x = 5,607.50

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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.