Home / 11,619.47-16,035.21-6,314.63

Finding the Fourth Proportional to 11,619.47, 16,035.21 and 6,314.63

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Solution

The fourth proportional to 11,619.47, 16,035.21 and 6,314.63 is: 8,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.47 : 16,035.21 = 6,314.63 : x
  2. Step 2: Convert to fraction form
    11,619.47/16,035.21 = 6,314.63/x
  3. Step 3: Cross multiply
    11,619.47x = 16,035.21 × 6,314.63
  4. Step 4: Simplify right side
    11,619.47x = 101,256,418.12
  5. Step 5: Solve for x
    x = 101,256,418.12/11,619.47
  6. Step 6: Final answer
    x = 8,714.37

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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.