Home / 12,864.11-19,299.90-4,544.60

Finding the Fourth Proportional to 12,864.11, 19,299.90 and 4,544.60

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Solution

The fourth proportional to 12,864.11, 19,299.90 and 4,544.60 is: 6,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.11 : 19,299.90 = 4,544.60 : x
  2. Step 2: Convert to fraction form
    12,864.11/19,299.90 = 4,544.60/x
  3. Step 3: Cross multiply
    12,864.11x = 19,299.90 × 4,544.60
  4. Step 4: Simplify right side
    12,864.11x = 87,710,229.04
  5. Step 5: Solve for x
    x = 87,710,229.04/12,864.11
  6. Step 6: Final answer
    x = 6,818.21

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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.