Home / 12,858.98-19,290-4,537.27

Finding the Fourth Proportional to 12,858.98, 19,290 and 4,537.27

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Solution

The fourth proportional to 12,858.98, 19,290 and 4,537.27 is: 6,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.98 : 19,290 = 4,537.27 : x
  2. Step 2: Convert to fraction form
    12,858.98/19,290 = 4,537.27/x
  3. Step 3: Cross multiply
    12,858.98x = 19,290 × 4,537.27
  4. Step 4: Simplify right side
    12,858.98x = 87,523,938.30
  5. Step 5: Solve for x
    x = 87,523,938.30/12,858.98
  6. Step 6: Final answer
    x = 6,806.45

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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.