Home / 15,134.50-22,701.75-4,190.50

Finding the Fourth Proportional to 15,134.50, 22,701.75 and 4,190.50

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Solution

The fourth proportional to 15,134.50, 22,701.75 and 4,190.50 is: 6,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.50 : 22,701.75 = 4,190.50 : x
  2. Step 2: Convert to fraction form
    15,134.50/22,701.75 = 4,190.50/x
  3. Step 3: Cross multiply
    15,134.50x = 22,701.75 × 4,190.50
  4. Step 4: Simplify right side
    15,134.50x = 95,131,683.38
  5. Step 5: Solve for x
    x = 95,131,683.38/15,134.50
  6. Step 6: Final answer
    x = 6,285.75

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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.