Home / 10,166.38-14,025.48-6,388.30

Finding the Fourth Proportional to 10,166.38, 14,025.48 and 6,388.30

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Solution

The fourth proportional to 10,166.38, 14,025.48 and 6,388.30 is: 8,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.38 : 14,025.48 = 6,388.30 : x
  2. Step 2: Convert to fraction form
    10,166.38/14,025.48 = 6,388.30/x
  3. Step 3: Cross multiply
    10,166.38x = 14,025.48 × 6,388.30
  4. Step 4: Simplify right side
    10,166.38x = 89,598,973.88
  5. Step 5: Solve for x
    x = 89,598,973.88/10,166.38
  6. Step 6: Final answer
    x = 8,813.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.