Home / 19,120.67-28,683.92-9,755.58

Finding the Fourth Proportional to 19,120.67, 28,683.92 and 9,755.58

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Solution

The fourth proportional to 19,120.67, 28,683.92 and 9,755.58 is: 14,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.67 : 28,683.92 = 9,755.58 : x
  2. Step 2: Convert to fraction form
    19,120.67/28,683.92 = 9,755.58/x
  3. Step 3: Cross multiply
    19,120.67x = 28,683.92 × 9,755.58
  4. Step 4: Simplify right side
    19,120.67x = 279,828,192.01
  5. Step 5: Solve for x
    x = 279,828,192.01/19,120.67
  6. Step 6: Final answer
    x = 14,634.85

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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.