Home / 10,948.70-16,427.10-4,379.60

Finding the Fourth Proportional to 10,948.70, 16,427.10 and 4,379.60

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Solution

The fourth proportional to 10,948.70, 16,427.10 and 4,379.60 is: 6,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.70 : 16,427.10 = 4,379.60 : x
  2. Step 2: Convert to fraction form
    10,948.70/16,427.10 = 4,379.60/x
  3. Step 3: Cross multiply
    10,948.70x = 16,427.10 × 4,379.60
  4. Step 4: Simplify right side
    10,948.70x = 71,944,127.16
  5. Step 5: Solve for x
    x = 71,944,127.16/10,948.70
  6. Step 6: Final answer
    x = 6,571.02

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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.