Home / 12,126.03-18,081.95-10,651.29

Finding the Fourth Proportional to 12,126.03, 18,081.95 and 10,651.29

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Solution

The fourth proportional to 12,126.03, 18,081.95 and 10,651.29 is: 15,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.03 : 18,081.95 = 10,651.29 : x
  2. Step 2: Convert to fraction form
    12,126.03/18,081.95 = 10,651.29/x
  3. Step 3: Cross multiply
    12,126.03x = 18,081.95 × 10,651.29
  4. Step 4: Simplify right side
    12,126.03x = 192,596,093.22
  5. Step 5: Solve for x
    x = 192,596,093.22/12,126.03
  6. Step 6: Final answer
    x = 15,882.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.