Home / 17,968.86-26,954.28-5,490.81

Finding the Fourth Proportional to 17,968.86, 26,954.28 and 5,490.81

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Solution

The fourth proportional to 17,968.86, 26,954.28 and 5,490.81 is: 8,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.86 : 26,954.28 = 5,490.81 : x
  2. Step 2: Convert to fraction form
    17,968.86/26,954.28 = 5,490.81/x
  3. Step 3: Cross multiply
    17,968.86x = 26,954.28 × 5,490.81
  4. Step 4: Simplify right side
    17,968.86x = 148,000,830.17
  5. Step 5: Solve for x
    x = 148,000,830.17/17,968.86
  6. Step 6: Final answer
    x = 8,236.52

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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.