Home / 16,790.95-25,187.33-5,103.28

Finding the Fourth Proportional to 16,790.95, 25,187.33 and 5,103.28

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Solution

The fourth proportional to 16,790.95, 25,187.33 and 5,103.28 is: 7,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.95 : 25,187.33 = 5,103.28 : x
  2. Step 2: Convert to fraction form
    16,790.95/25,187.33 = 5,103.28/x
  3. Step 3: Cross multiply
    16,790.95x = 25,187.33 × 5,103.28
  4. Step 4: Simplify right side
    16,790.95x = 128,537,997.44
  5. Step 5: Solve for x
    x = 128,537,997.44/16,790.95
  6. Step 6: Final answer
    x = 7,655.20

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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.