Home / 12,864.28-19,291.34-4,542.52

Finding the Fourth Proportional to 12,864.28, 19,291.34 and 4,542.52

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Solution

The fourth proportional to 12,864.28, 19,291.34 and 4,542.52 is: 6,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.28 : 19,291.34 = 4,542.52 : x
  2. Step 2: Convert to fraction form
    12,864.28/19,291.34 = 4,542.52/x
  3. Step 3: Cross multiply
    12,864.28x = 19,291.34 × 4,542.52
  4. Step 4: Simplify right side
    12,864.28x = 87,631,297.78
  5. Step 5: Solve for x
    x = 87,631,297.78/12,864.28
  6. Step 6: Final answer
    x = 6,811.99

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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.