Home / 14,408.99-21,620.16-6,090.94

Finding the Fourth Proportional to 14,408.99, 21,620.16 and 6,090.94

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Solution

The fourth proportional to 14,408.99, 21,620.16 and 6,090.94 is: 9,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.99 : 21,620.16 = 6,090.94 : x
  2. Step 2: Convert to fraction form
    14,408.99/21,620.16 = 6,090.94/x
  3. Step 3: Cross multiply
    14,408.99x = 21,620.16 × 6,090.94
  4. Step 4: Simplify right side
    14,408.99x = 131,687,124.38
  5. Step 5: Solve for x
    x = 131,687,124.38/14,408.99
  6. Step 6: Final answer
    x = 9,139.23

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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.