Home / 10,308.54-14,221.11-6,328.20

Finding the Fourth Proportional to 10,308.54, 14,221.11 and 6,328.20

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Solution

The fourth proportional to 10,308.54, 14,221.11 and 6,328.20 is: 8,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.54 : 14,221.11 = 6,328.20 : x
  2. Step 2: Convert to fraction form
    10,308.54/14,221.11 = 6,328.20/x
  3. Step 3: Cross multiply
    10,308.54x = 14,221.11 × 6,328.20
  4. Step 4: Simplify right side
    10,308.54x = 89,994,028.30
  5. Step 5: Solve for x
    x = 89,994,028.30/10,308.54
  6. Step 6: Final answer
    x = 8,730.05

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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.