Home / 13,917.68-19,206.89-7,949.26

Finding the Fourth Proportional to 13,917.68, 19,206.89 and 7,949.26

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Solution

The fourth proportional to 13,917.68, 19,206.89 and 7,949.26 is: 10,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.68 : 19,206.89 = 7,949.26 : x
  2. Step 2: Convert to fraction form
    13,917.68/19,206.89 = 7,949.26/x
  3. Step 3: Cross multiply
    13,917.68x = 19,206.89 × 7,949.26
  4. Step 4: Simplify right side
    13,917.68x = 152,680,562.40
  5. Step 5: Solve for x
    x = 152,680,562.40/13,917.68
  6. Step 6: Final answer
    x = 10,970.26

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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.