Home / 13,444.88-20,133.30-7,181.96

Finding the Fourth Proportional to 13,444.88, 20,133.30 and 7,181.96

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Solution

The fourth proportional to 13,444.88, 20,133.30 and 7,181.96 is: 10,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.88 : 20,133.30 = 7,181.96 : x
  2. Step 2: Convert to fraction form
    13,444.88/20,133.30 = 7,181.96/x
  3. Step 3: Cross multiply
    13,444.88x = 20,133.30 × 7,181.96
  4. Step 4: Simplify right side
    13,444.88x = 144,596,555.27
  5. Step 5: Solve for x
    x = 144,596,555.27/13,444.88
  6. Step 6: Final answer
    x = 10,754.77

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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.