Home / 13,028.70-19,542.90-3,167.98

Finding the Fourth Proportional to 13,028.70, 19,542.90 and 3,167.98

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Solution

The fourth proportional to 13,028.70, 19,542.90 and 3,167.98 is: 4,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.70 : 19,542.90 = 3,167.98 : x
  2. Step 2: Convert to fraction form
    13,028.70/19,542.90 = 3,167.98/x
  3. Step 3: Cross multiply
    13,028.70x = 19,542.90 × 3,167.98
  4. Step 4: Simplify right side
    13,028.70x = 61,911,516.34
  5. Step 5: Solve for x
    x = 61,911,516.34/13,028.70
  6. Step 6: Final answer
    x = 4,751.93

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1.5x scale

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.