Home / 11,314.64-16,965.24-4,649.16

Finding the Fourth Proportional to 11,314.64, 16,965.24 and 4,649.16

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Solution

The fourth proportional to 11,314.64, 16,965.24 and 4,649.16 is: 6,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.64 : 16,965.24 = 4,649.16 : x
  2. Step 2: Convert to fraction form
    11,314.64/16,965.24 = 4,649.16/x
  3. Step 3: Cross multiply
    11,314.64x = 16,965.24 × 4,649.16
  4. Step 4: Simplify right side
    11,314.64x = 78,874,115.20
  5. Step 5: Solve for x
    x = 78,874,115.20/11,314.64
  6. Step 6: Final answer
    x = 6,970.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.