Home / 19,150.93-28,732.11-9,290.53

Finding the Fourth Proportional to 19,150.93, 28,732.11 and 9,290.53

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Solution

The fourth proportional to 19,150.93, 28,732.11 and 9,290.53 is: 13,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.93 : 28,732.11 = 9,290.53 : x
  2. Step 2: Convert to fraction form
    19,150.93/28,732.11 = 9,290.53/x
  3. Step 3: Cross multiply
    19,150.93x = 28,732.11 × 9,290.53
  4. Step 4: Simplify right side
    19,150.93x = 266,936,529.92
  5. Step 5: Solve for x
    x = 266,936,529.92/19,150.93
  6. Step 6: Final answer
    x = 13,938.57

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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.