Home / 18,864.70-28,296.74-6,384.52

Finding the Fourth Proportional to 18,864.70, 28,296.74 and 6,384.52

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Solution

The fourth proportional to 18,864.70, 28,296.74 and 6,384.52 is: 9,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.70 : 28,296.74 = 6,384.52 : x
  2. Step 2: Convert to fraction form
    18,864.70/28,296.74 = 6,384.52/x
  3. Step 3: Cross multiply
    18,864.70x = 28,296.74 × 6,384.52
  4. Step 4: Simplify right side
    18,864.70x = 180,661,153.80
  5. Step 5: Solve for x
    x = 180,661,153.80/18,864.70
  6. Step 6: Final answer
    x = 9,576.68

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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.