Home / 13,917.94-19,206.66-7,630.18

Finding the Fourth Proportional to 13,917.94, 19,206.66 and 7,630.18

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Solution

The fourth proportional to 13,917.94, 19,206.66 and 7,630.18 is: 10,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.94 : 19,206.66 = 7,630.18 : x
  2. Step 2: Convert to fraction form
    13,917.94/19,206.66 = 7,630.18/x
  3. Step 3: Cross multiply
    13,917.94x = 19,206.66 × 7,630.18
  4. Step 4: Simplify right side
    13,917.94x = 146,550,273.00
  5. Step 5: Solve for x
    x = 146,550,273.00/13,917.94
  6. Step 6: Final answer
    x = 10,529.60

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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.