Home / 11,620.32-16,036.03-6,315.14

Finding the Fourth Proportional to 11,620.32, 16,036.03 and 6,315.14

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Solution

The fourth proportional to 11,620.32, 16,036.03 and 6,315.14 is: 8,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.32 : 16,036.03 = 6,315.14 : x
  2. Step 2: Convert to fraction form
    11,620.32/16,036.03 = 6,315.14/x
  3. Step 3: Cross multiply
    11,620.32x = 16,036.03 × 6,315.14
  4. Step 4: Simplify right side
    11,620.32x = 101,269,702.21
  5. Step 5: Solve for x
    x = 101,269,702.21/11,620.32
  6. Step 6: Final answer
    x = 8,714.88

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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.