Home / 15,379.72-23,072.46-4,988.68

Finding the Fourth Proportional to 15,379.72, 23,072.46 and 4,988.68

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Solution

The fourth proportional to 15,379.72, 23,072.46 and 4,988.68 is: 7,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.72 : 23,072.46 = 4,988.68 : x
  2. Step 2: Convert to fraction form
    15,379.72/23,072.46 = 4,988.68/x
  3. Step 3: Cross multiply
    15,379.72x = 23,072.46 × 4,988.68
  4. Step 4: Simplify right side
    15,379.72x = 115,101,119.75
  5. Step 5: Solve for x
    x = 115,101,119.75/15,379.72
  6. Step 6: Final answer
    x = 7,483.95

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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.