Home / 12,038.49-18,060.80-4,640.96

Finding the Fourth Proportional to 12,038.49, 18,060.80 and 4,640.96

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Solution

The fourth proportional to 12,038.49, 18,060.80 and 4,640.96 is: 6,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.49 : 18,060.80 = 4,640.96 : x
  2. Step 2: Convert to fraction form
    12,038.49/18,060.80 = 4,640.96/x
  3. Step 3: Cross multiply
    12,038.49x = 18,060.80 × 4,640.96
  4. Step 4: Simplify right side
    12,038.49x = 83,819,450.37
  5. Step 5: Solve for x
    x = 83,819,450.37/12,038.49
  6. Step 6: Final answer
    x = 6,962.62

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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.