Home / 19,306.90-28,954.18-6,156.19

Finding the Fourth Proportional to 19,306.90, 28,954.18 and 6,156.19

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Solution

The fourth proportional to 19,306.90, 28,954.18 and 6,156.19 is: 9,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.90 : 28,954.18 = 6,156.19 : x
  2. Step 2: Convert to fraction form
    19,306.90/28,954.18 = 6,156.19/x
  3. Step 3: Cross multiply
    19,306.90x = 28,954.18 × 6,156.19
  4. Step 4: Simplify right side
    19,306.90x = 178,247,433.37
  5. Step 5: Solve for x
    x = 178,247,433.37/19,306.90
  6. Step 6: Final answer
    x = 9,232.32

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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.