Home / 10,624.78-15,926.19-4,785.49

Finding the Fourth Proportional to 10,624.78, 15,926.19 and 4,785.49

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Solution

The fourth proportional to 10,624.78, 15,926.19 and 4,785.49 is: 7,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.78 : 15,926.19 = 4,785.49 : x
  2. Step 2: Convert to fraction form
    10,624.78/15,926.19 = 4,785.49/x
  3. Step 3: Cross multiply
    10,624.78x = 15,926.19 × 4,785.49
  4. Step 4: Simplify right side
    10,624.78x = 76,214,622.98
  5. Step 5: Solve for x
    x = 76,214,622.98/10,624.78
  6. Step 6: Final answer
    x = 7,173.29

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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.