Home / 13,152.75-19,726.17-3,790.77

Finding the Fourth Proportional to 13,152.75, 19,726.17 and 3,790.77

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Solution

The fourth proportional to 13,152.75, 19,726.17 and 3,790.77 is: 5,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.75 : 19,726.17 = 3,790.77 : x
  2. Step 2: Convert to fraction form
    13,152.75/19,726.17 = 3,790.77/x
  3. Step 3: Cross multiply
    13,152.75x = 19,726.17 × 3,790.77
  4. Step 4: Simplify right side
    13,152.75x = 74,777,373.45
  5. Step 5: Solve for x
    x = 74,777,373.45/13,152.75
  6. Step 6: Final answer
    x = 5,685.30

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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.