Home / 11,620.10-16,035.63-6,314.81

Finding the Fourth Proportional to 11,620.10, 16,035.63 and 6,314.81

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Solution

The fourth proportional to 11,620.10, 16,035.63 and 6,314.81 is: 8,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.10 : 16,035.63 = 6,314.81 : x
  2. Step 2: Convert to fraction form
    11,620.10/16,035.63 = 6,314.81/x
  3. Step 3: Cross multiply
    11,620.10x = 16,035.63 × 6,314.81
  4. Step 4: Simplify right side
    11,620.10x = 101,261,876.50
  5. Step 5: Solve for x
    x = 101,261,876.50/11,620.10
  6. Step 6: Final answer
    x = 8,714.38

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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.