Home / 21,082.56-31,625.92-6,090.04

Finding the Fourth Proportional to 21,082.56, 31,625.92 and 6,090.04

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Solution

The fourth proportional to 21,082.56, 31,625.92 and 6,090.04 is: 9,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.56 : 31,625.92 = 6,090.04 : x
  2. Step 2: Convert to fraction form
    21,082.56/31,625.92 = 6,090.04/x
  3. Step 3: Cross multiply
    21,082.56x = 31,625.92 × 6,090.04
  4. Step 4: Simplify right side
    21,082.56x = 192,603,117.84
  5. Step 5: Solve for x
    x = 192,603,117.84/21,082.56
  6. Step 6: Final answer
    x = 9,135.66

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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.