Home / 10,638.72-14,682.11-5,922.99

Finding the Fourth Proportional to 10,638.72, 14,682.11 and 5,922.99

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Solution

The fourth proportional to 10,638.72, 14,682.11 and 5,922.99 is: 8,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.72 : 14,682.11 = 5,922.99 : x
  2. Step 2: Convert to fraction form
    10,638.72/14,682.11 = 5,922.99/x
  3. Step 3: Cross multiply
    10,638.72x = 14,682.11 × 5,922.99
  4. Step 4: Simplify right side
    10,638.72x = 86,961,961.09
  5. Step 5: Solve for x
    x = 86,961,961.09/10,638.72
  6. Step 6: Final answer
    x = 8,174.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.