Home / 14,211.78-21,321.05-4,350.99

Finding the Fourth Proportional to 14,211.78, 21,321.05 and 4,350.99

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Solution

The fourth proportional to 14,211.78, 21,321.05 and 4,350.99 is: 6,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.78 : 21,321.05 = 4,350.99 : x
  2. Step 2: Convert to fraction form
    14,211.78/21,321.05 = 4,350.99/x
  3. Step 3: Cross multiply
    14,211.78x = 21,321.05 × 4,350.99
  4. Step 4: Simplify right side
    14,211.78x = 92,767,685.81
  5. Step 5: Solve for x
    x = 92,767,685.81/14,211.78
  6. Step 6: Final answer
    x = 6,527.52

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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.