Home / 11,896.42-16,412.40-7,646.90

Finding the Fourth Proportional to 11,896.42, 16,412.40 and 7,646.90

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Solution

The fourth proportional to 11,896.42, 16,412.40 and 7,646.90 is: 10,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.42 : 16,412.40 = 7,646.90 : x
  2. Step 2: Convert to fraction form
    11,896.42/16,412.40 = 7,646.90/x
  3. Step 3: Cross multiply
    11,896.42x = 16,412.40 × 7,646.90
  4. Step 4: Simplify right side
    11,896.42x = 125,503,924.15
  5. Step 5: Solve for x
    x = 125,503,924.15/11,896.42
  6. Step 6: Final answer
    x = 10,549.72

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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.