Home / 13,267.67-19,902.89-6,605.81

Finding the Fourth Proportional to 13,267.67, 19,902.89 and 6,605.81

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Solution

The fourth proportional to 13,267.67, 19,902.89 and 6,605.81 is: 9,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.67 : 19,902.89 = 6,605.81 : x
  2. Step 2: Convert to fraction form
    13,267.67/19,902.89 = 6,605.81/x
  3. Step 3: Cross multiply
    13,267.67x = 19,902.89 × 6,605.81
  4. Step 4: Simplify right side
    13,267.67x = 131,474,794.80
  5. Step 5: Solve for x
    x = 131,474,794.80/13,267.67
  6. Step 6: Final answer
    x = 9,909.41

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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.