Home / 21,174.04-31,735.14-7,306.84

Finding the Fourth Proportional to 21,174.04, 31,735.14 and 7,306.84

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Solution

The fourth proportional to 21,174.04, 31,735.14 and 7,306.84 is: 10,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174.04 : 31,735.14 = 7,306.84 : x
  2. Step 2: Convert to fraction form
    21,174.04/31,735.14 = 7,306.84/x
  3. Step 3: Cross multiply
    21,174.04x = 31,735.14 × 7,306.84
  4. Step 4: Simplify right side
    21,174.04x = 231,883,590.36
  5. Step 5: Solve for x
    x = 231,883,590.36/21,174.04
  6. Step 6: Final answer
    x = 10,951.32

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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.