Home / 11,620.22-16,035.25-6,315

Finding the Fourth Proportional to 11,620.22, 16,035.25 and 6,315

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Solution

The fourth proportional to 11,620.22, 16,035.25 and 6,315 is: 8,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.22 : 16,035.25 = 6,315 : x
  2. Step 2: Convert to fraction form
    11,620.22/16,035.25 = 6,315/x
  3. Step 3: Cross multiply
    11,620.22x = 16,035.25 × 6,315
  4. Step 4: Simplify right side
    11,620.22x = 101,262,572.18
  5. Step 5: Solve for x
    x = 101,262,572.18/11,620.22
  6. Step 6: Final answer
    x = 8,714.34

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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.