Home / 19,817.20-29,729.69-7,337.34

Finding the Fourth Proportional to 19,817.20, 29,729.69 and 7,337.34

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Solution

The fourth proportional to 19,817.20, 29,729.69 and 7,337.34 is: 11,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.20 : 29,729.69 = 7,337.34 : x
  2. Step 2: Convert to fraction form
    19,817.20/29,729.69 = 7,337.34/x
  3. Step 3: Cross multiply
    19,817.20x = 29,729.69 × 7,337.34
  4. Step 4: Simplify right side
    19,817.20x = 218,136,843.62
  5. Step 5: Solve for x
    x = 218,136,843.62/19,817.20
  6. Step 6: Final answer
    x = 11,007.45

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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.