Home / 19,821.56-29,732.98-7,344.72

Finding the Fourth Proportional to 19,821.56, 29,732.98 and 7,344.72

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Solution

The fourth proportional to 19,821.56, 29,732.98 and 7,344.72 is: 11,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.56 : 29,732.98 = 7,344.72 : x
  2. Step 2: Convert to fraction form
    19,821.56/29,732.98 = 7,344.72/x
  3. Step 3: Cross multiply
    19,821.56x = 29,732.98 × 7,344.72
  4. Step 4: Simplify right side
    19,821.56x = 218,380,412.87
  5. Step 5: Solve for x
    x = 218,380,412.87/19,821.56
  6. Step 6: Final answer
    x = 11,017.32

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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.