Home / 14,008.68-21,013.44-3,620.46

Finding the Fourth Proportional to 14,008.68, 21,013.44 and 3,620.46

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Solution

The fourth proportional to 14,008.68, 21,013.44 and 3,620.46 is: 5,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.68 : 21,013.44 = 3,620.46 : x
  2. Step 2: Convert to fraction form
    14,008.68/21,013.44 = 3,620.46/x
  3. Step 3: Cross multiply
    14,008.68x = 21,013.44 × 3,620.46
  4. Step 4: Simplify right side
    14,008.68x = 76,078,318.98
  5. Step 5: Solve for x
    x = 76,078,318.98/14,008.68
  6. Step 6: Final answer
    x = 5,430.80

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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.