Home / 12,330.90-18,494.49-4,537.89

Finding the Fourth Proportional to 12,330.90, 18,494.49 and 4,537.89

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Solution

The fourth proportional to 12,330.90, 18,494.49 and 4,537.89 is: 6,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.90 : 18,494.49 = 4,537.89 : x
  2. Step 2: Convert to fraction form
    12,330.90/18,494.49 = 4,537.89/x
  3. Step 3: Cross multiply
    12,330.90x = 18,494.49 × 4,537.89
  4. Step 4: Simplify right side
    12,330.90x = 83,925,961.23
  5. Step 5: Solve for x
    x = 83,925,961.23/12,330.90
  6. Step 6: Final answer
    x = 6,806.15

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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.