Home / 13,176.72-19,757.79-4,409.28

Finding the Fourth Proportional to 13,176.72, 19,757.79 and 4,409.28

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Solution

The fourth proportional to 13,176.72, 19,757.79 and 4,409.28 is: 6,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.72 : 19,757.79 = 4,409.28 : x
  2. Step 2: Convert to fraction form
    13,176.72/19,757.79 = 4,409.28/x
  3. Step 3: Cross multiply
    13,176.72x = 19,757.79 × 4,409.28
  4. Step 4: Simplify right side
    13,176.72x = 87,117,628.29
  5. Step 5: Solve for x
    x = 87,117,628.29/13,176.72
  6. Step 6: Final answer
    x = 6,611.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.