Home / 19,237.20-28,868.70-6,757.20

Finding the Fourth Proportional to 19,237.20, 28,868.70 and 6,757.20

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Solution

The fourth proportional to 19,237.20, 28,868.70 and 6,757.20 is: 10,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.20 : 28,868.70 = 6,757.20 : x
  2. Step 2: Convert to fraction form
    19,237.20/28,868.70 = 6,757.20/x
  3. Step 3: Cross multiply
    19,237.20x = 28,868.70 × 6,757.20
  4. Step 4: Simplify right side
    19,237.20x = 195,071,579.64
  5. Step 5: Solve for x
    x = 195,071,579.64/19,237.20
  6. Step 6: Final answer
    x = 10,140.33

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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.