Home / 10,618.34-15,930.22-6,239.48

Finding the Fourth Proportional to 10,618.34, 15,930.22 and 6,239.48

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Solution

The fourth proportional to 10,618.34, 15,930.22 and 6,239.48 is: 9,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.34 : 15,930.22 = 6,239.48 : x
  2. Step 2: Convert to fraction form
    10,618.34/15,930.22 = 6,239.48/x
  3. Step 3: Cross multiply
    10,618.34x = 15,930.22 × 6,239.48
  4. Step 4: Simplify right side
    10,618.34x = 99,396,289.09
  5. Step 5: Solve for x
    x = 99,396,289.09/10,618.34
  6. Step 6: Final answer
    x = 9,360.81

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1.5x scale

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.