Home / 15,269.76-22,903.20-4,878.72

Finding the Fourth Proportional to 15,269.76, 22,903.20 and 4,878.72

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Solution

The fourth proportional to 15,269.76, 22,903.20 and 4,878.72 is: 7,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.76 : 22,903.20 = 4,878.72 : x
  2. Step 2: Convert to fraction form
    15,269.76/22,903.20 = 4,878.72/x
  3. Step 3: Cross multiply
    15,269.76x = 22,903.20 × 4,878.72
  4. Step 4: Simplify right side
    15,269.76x = 111,738,299.90
  5. Step 5: Solve for x
    x = 111,738,299.90/15,269.76
  6. Step 6: Final answer
    x = 7,317.62

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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.