Home / 13,170.62-19,761.11-5,769.89

Finding the Fourth Proportional to 13,170.62, 19,761.11 and 5,769.89

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Solution

The fourth proportional to 13,170.62, 19,761.11 and 5,769.89 is: 8,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.62 : 19,761.11 = 5,769.89 : x
  2. Step 2: Convert to fraction form
    13,170.62/19,761.11 = 5,769.89/x
  3. Step 3: Cross multiply
    13,170.62x = 19,761.11 × 5,769.89
  4. Step 4: Simplify right side
    13,170.62x = 114,019,303.32
  5. Step 5: Solve for x
    x = 114,019,303.32/13,170.62
  6. Step 6: Final answer
    x = 8,657.10

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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.