Home / 12,164.09-18,125.22-10,837.65

Finding the Fourth Proportional to 12,164.09, 18,125.22 and 10,837.65

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Solution

The fourth proportional to 12,164.09, 18,125.22 and 10,837.65 is: 16,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.09 : 18,125.22 = 10,837.65 : x
  2. Step 2: Convert to fraction form
    12,164.09/18,125.22 = 10,837.65/x
  3. Step 3: Cross multiply
    12,164.09x = 18,125.22 × 10,837.65
  4. Step 4: Simplify right side
    12,164.09x = 196,434,736.23
  5. Step 5: Solve for x
    x = 196,434,736.23/12,164.09
  6. Step 6: Final answer
    x = 16,148.74

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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.