Home / 14,602.12-21,900.79-4,072.86

Finding the Fourth Proportional to 14,602.12, 21,900.79 and 4,072.86

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Solution

The fourth proportional to 14,602.12, 21,900.79 and 4,072.86 is: 6,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.12 : 21,900.79 = 4,072.86 : x
  2. Step 2: Convert to fraction form
    14,602.12/21,900.79 = 4,072.86/x
  3. Step 3: Cross multiply
    14,602.12x = 21,900.79 × 4,072.86
  4. Step 4: Simplify right side
    14,602.12x = 89,198,783.60
  5. Step 5: Solve for x
    x = 89,198,783.60/14,602.12
  6. Step 6: Final answer
    x = 6,108.62

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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.