Home / 13,955.04-19,249.92-8,362.80

Finding the Fourth Proportional to 13,955.04, 19,249.92 and 8,362.80

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Solution

The fourth proportional to 13,955.04, 19,249.92 and 8,362.80 is: 11,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.04 : 19,249.92 = 8,362.80 : x
  2. Step 2: Convert to fraction form
    13,955.04/19,249.92 = 8,362.80/x
  3. Step 3: Cross multiply
    13,955.04x = 19,249.92 × 8,362.80
  4. Step 4: Simplify right side
    13,955.04x = 160,983,230.98
  5. Step 5: Solve for x
    x = 160,983,230.98/13,955.04
  6. Step 6: Final answer
    x = 11,535.85

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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.