Home / 13,127.29-19,694.90-4,692.69

Finding the Fourth Proportional to 13,127.29, 19,694.90 and 4,692.69

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Solution

The fourth proportional to 13,127.29, 19,694.90 and 4,692.69 is: 7,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.29 : 19,694.90 = 4,692.69 : x
  2. Step 2: Convert to fraction form
    13,127.29/19,694.90 = 4,692.69/x
  3. Step 3: Cross multiply
    13,127.29x = 19,694.90 × 4,692.69
  4. Step 4: Simplify right side
    13,127.29x = 92,422,060.28
  5. Step 5: Solve for x
    x = 92,422,060.28/13,127.29
  6. Step 6: Final answer
    x = 7,040.45

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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.