Home / 19,003.97-28,512.10-9,141.96

Finding the Fourth Proportional to 19,003.97, 28,512.10 and 9,141.96

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Solution

The fourth proportional to 19,003.97, 28,512.10 and 9,141.96 is: 13,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.97 : 28,512.10 = 9,141.96 : x
  2. Step 2: Convert to fraction form
    19,003.97/28,512.10 = 9,141.96/x
  3. Step 3: Cross multiply
    19,003.97x = 28,512.10 × 9,141.96
  4. Step 4: Simplify right side
    19,003.97x = 260,656,477.72
  5. Step 5: Solve for x
    x = 260,656,477.72/19,003.97
  6. Step 6: Final answer
    x = 13,715.90

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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.