Home / 13,901.32-19,192.66-9,129.73

Finding the Fourth Proportional to 13,901.32, 19,192.66 and 9,129.73

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Solution

The fourth proportional to 13,901.32, 19,192.66 and 9,129.73 is: 12,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.32 : 19,192.66 = 9,129.73 : x
  2. Step 2: Convert to fraction form
    13,901.32/19,192.66 = 9,129.73/x
  3. Step 3: Cross multiply
    13,901.32x = 19,192.66 × 9,129.73
  4. Step 4: Simplify right side
    13,901.32x = 175,223,820.32
  5. Step 5: Solve for x
    x = 175,223,820.32/13,901.32
  6. Step 6: Final answer
    x = 12,604.83

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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.