Home / 14,102.73-21,154.50-4,240.98

Finding the Fourth Proportional to 14,102.73, 21,154.50 and 4,240.98

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Solution

The fourth proportional to 14,102.73, 21,154.50 and 4,240.98 is: 6,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.73 : 21,154.50 = 4,240.98 : x
  2. Step 2: Convert to fraction form
    14,102.73/21,154.50 = 4,240.98/x
  3. Step 3: Cross multiply
    14,102.73x = 21,154.50 × 4,240.98
  4. Step 4: Simplify right side
    14,102.73x = 89,715,811.41
  5. Step 5: Solve for x
    x = 89,715,811.41/14,102.73
  6. Step 6: Final answer
    x = 6,361.59

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Double scale
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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.