Home / 11,643.21-16,067.40-6,337.91

Finding the Fourth Proportional to 11,643.21, 16,067.40 and 6,337.91

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Solution

The fourth proportional to 11,643.21, 16,067.40 and 6,337.91 is: 8,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.21 : 16,067.40 = 6,337.91 : x
  2. Step 2: Convert to fraction form
    11,643.21/16,067.40 = 6,337.91/x
  3. Step 3: Cross multiply
    11,643.21x = 16,067.40 × 6,337.91
  4. Step 4: Simplify right side
    11,643.21x = 101,833,735.13
  5. Step 5: Solve for x
    x = 101,833,735.13/11,643.21
  6. Step 6: Final answer
    x = 8,746.19

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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.