Home / 12,328.40-18,494.53-4,325.37

Finding the Fourth Proportional to 12,328.40, 18,494.53 and 4,325.37

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Solution

The fourth proportional to 12,328.40, 18,494.53 and 4,325.37 is: 6,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.40 : 18,494.53 = 4,325.37 : x
  2. Step 2: Convert to fraction form
    12,328.40/18,494.53 = 4,325.37/x
  3. Step 3: Cross multiply
    12,328.40x = 18,494.53 × 4,325.37
  4. Step 4: Simplify right side
    12,328.40x = 79,995,592.75
  5. Step 5: Solve for x
    x = 79,995,592.75/12,328.40
  6. Step 6: Final answer
    x = 6,488.72

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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.