Home / 19,266.28-28,899.11-6,118.49

Finding the Fourth Proportional to 19,266.28, 28,899.11 and 6,118.49

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Solution

The fourth proportional to 19,266.28, 28,899.11 and 6,118.49 is: 9,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.28 : 28,899.11 = 6,118.49 : x
  2. Step 2: Convert to fraction form
    19,266.28/28,899.11 = 6,118.49/x
  3. Step 3: Cross multiply
    19,266.28x = 28,899.11 × 6,118.49
  4. Step 4: Simplify right side
    19,266.28x = 176,819,003.09
  5. Step 5: Solve for x
    x = 176,819,003.09/19,266.28
  6. Step 6: Final answer
    x = 9,177.64

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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.