Home / 19,158.12-28,737.18-8,064.56

Finding the Fourth Proportional to 19,158.12, 28,737.18 and 8,064.56

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Solution

The fourth proportional to 19,158.12, 28,737.18 and 8,064.56 is: 12,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.12 : 28,737.18 = 8,064.56 : x
  2. Step 2: Convert to fraction form
    19,158.12/28,737.18 = 8,064.56/x
  3. Step 3: Cross multiply
    19,158.12x = 28,737.18 × 8,064.56
  4. Step 4: Simplify right side
    19,158.12x = 231,752,784.18
  5. Step 5: Solve for x
    x = 231,752,784.18/19,158.12
  6. Step 6: Final answer
    x = 12,096.84

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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.