Home / 13,917.67-19,206.35-7,630.09

Finding the Fourth Proportional to 13,917.67, 19,206.35 and 7,630.09

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Solution

The fourth proportional to 13,917.67, 19,206.35 and 7,630.09 is: 10,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.67 : 19,206.35 = 7,630.09 : x
  2. Step 2: Convert to fraction form
    13,917.67/19,206.35 = 7,630.09/x
  3. Step 3: Cross multiply
    13,917.67x = 19,206.35 × 7,630.09
  4. Step 4: Simplify right side
    13,917.67x = 146,546,179.07
  5. Step 5: Solve for x
    x = 146,546,179.07/13,917.67
  6. Step 6: Final answer
    x = 10,529.51

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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.