Home / 17,718.86-26,526.44-13,986.38

Finding the Fourth Proportional to 17,718.86, 26,526.44 and 13,986.38

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Solution

The fourth proportional to 17,718.86, 26,526.44 and 13,986.38 is: 20,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.86 : 26,526.44 = 13,986.38 : x
  2. Step 2: Convert to fraction form
    17,718.86/26,526.44 = 13,986.38/x
  3. Step 3: Cross multiply
    17,718.86x = 26,526.44 × 13,986.38
  4. Step 4: Simplify right side
    17,718.86x = 371,008,869.89
  5. Step 5: Solve for x
    x = 371,008,869.89/17,718.86
  6. Step 6: Final answer
    x = 20,938.64

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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.