Home / 11,714.49-16,165.85-6,409.31

Finding the Fourth Proportional to 11,714.49, 16,165.85 and 6,409.31

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Solution

The fourth proportional to 11,714.49, 16,165.85 and 6,409.31 is: 8,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.49 : 16,165.85 = 6,409.31 : x
  2. Step 2: Convert to fraction form
    11,714.49/16,165.85 = 6,409.31/x
  3. Step 3: Cross multiply
    11,714.49x = 16,165.85 × 6,409.31
  4. Step 4: Simplify right side
    11,714.49x = 103,611,831.19
  5. Step 5: Solve for x
    x = 103,611,831.19/11,714.49
  6. Step 6: Final answer
    x = 8,844.76

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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.