Home / 14,315.80-19,755.34-8,028.28

Finding the Fourth Proportional to 14,315.80, 19,755.34 and 8,028.28

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Solution

The fourth proportional to 14,315.80, 19,755.34 and 8,028.28 is: 11,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.80 : 19,755.34 = 8,028.28 : x
  2. Step 2: Convert to fraction form
    14,315.80/19,755.34 = 8,028.28/x
  3. Step 3: Cross multiply
    14,315.80x = 19,755.34 × 8,028.28
  4. Step 4: Simplify right side
    14,315.80x = 158,601,401.02
  5. Step 5: Solve for x
    x = 158,601,401.02/14,315.80
  6. Step 6: Final answer
    x = 11,078.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.