Home / 14,107.42-19,493.61-10,121.54

Finding the Fourth Proportional to 14,107.42, 19,493.61 and 10,121.54

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Solution

The fourth proportional to 14,107.42, 19,493.61 and 10,121.54 is: 13,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.42 : 19,493.61 = 10,121.54 : x
  2. Step 2: Convert to fraction form
    14,107.42/19,493.61 = 10,121.54/x
  3. Step 3: Cross multiply
    14,107.42x = 19,493.61 × 10,121.54
  4. Step 4: Simplify right side
    14,107.42x = 197,305,353.36
  5. Step 5: Solve for x
    x = 197,305,353.36/14,107.42
  6. Step 6: Final answer
    x = 13,985.93

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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.