Home / 17,977.80-26,968.56-6,291.84

Finding the Fourth Proportional to 17,977.80, 26,968.56 and 6,291.84

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Solution

The fourth proportional to 17,977.80, 26,968.56 and 6,291.84 is: 9,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.80 : 26,968.56 = 6,291.84 : x
  2. Step 2: Convert to fraction form
    17,977.80/26,968.56 = 6,291.84/x
  3. Step 3: Cross multiply
    17,977.80x = 26,968.56 × 6,291.84
  4. Step 4: Simplify right side
    17,977.80x = 169,681,864.55
  5. Step 5: Solve for x
    x = 169,681,864.55/17,977.80
  6. Step 6: Final answer
    x = 9,438.41

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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.