Home / 12,082.10-18,124.95-4,290.26

Finding the Fourth Proportional to 12,082.10, 18,124.95 and 4,290.26

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Solution

The fourth proportional to 12,082.10, 18,124.95 and 4,290.26 is: 6,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.10 : 18,124.95 = 4,290.26 : x
  2. Step 2: Convert to fraction form
    12,082.10/18,124.95 = 4,290.26/x
  3. Step 3: Cross multiply
    12,082.10x = 18,124.95 × 4,290.26
  4. Step 4: Simplify right side
    12,082.10x = 77,760,747.99
  5. Step 5: Solve for x
    x = 77,760,747.99/12,082.10
  6. Step 6: Final answer
    x = 6,436.03

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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.