Home / 18,866.78-26,036.67-10,369.41

Finding the Fourth Proportional to 18,866.78, 26,036.67 and 10,369.41

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Solution

The fourth proportional to 18,866.78, 26,036.67 and 10,369.41 is: 14,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.78 : 26,036.67 = 10,369.41 : x
  2. Step 2: Convert to fraction form
    18,866.78/26,036.67 = 10,369.41/x
  3. Step 3: Cross multiply
    18,866.78x = 26,036.67 × 10,369.41
  4. Step 4: Simplify right side
    18,866.78x = 269,984,906.26
  5. Step 5: Solve for x
    x = 269,984,906.26/18,866.78
  6. Step 6: Final answer
    x = 14,310.07

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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.