Home / 19,002.52-28,464.90-11,187.64

Finding the Fourth Proportional to 19,002.52, 28,464.90 and 11,187.64

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Solution

The fourth proportional to 19,002.52, 28,464.90 and 11,187.64 is: 16,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.52 : 28,464.90 = 11,187.64 : x
  2. Step 2: Convert to fraction form
    19,002.52/28,464.90 = 11,187.64/x
  3. Step 3: Cross multiply
    19,002.52x = 28,464.90 × 11,187.64
  4. Step 4: Simplify right side
    19,002.52x = 318,455,053.84
  5. Step 5: Solve for x
    x = 318,455,053.84/19,002.52
  6. Step 6: Final answer
    x = 16,758.57

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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.