Home / 11,429.42-17,126.40-7,926.26

Finding the Fourth Proportional to 11,429.42, 17,126.40 and 7,926.26

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Solution

The fourth proportional to 11,429.42, 17,126.40 and 7,926.26 is: 11,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.42 : 17,126.40 = 7,926.26 : x
  2. Step 2: Convert to fraction form
    11,429.42/17,126.40 = 7,926.26/x
  3. Step 3: Cross multiply
    11,429.42x = 17,126.40 × 7,926.26
  4. Step 4: Simplify right side
    11,429.42x = 135,748,299.26
  5. Step 5: Solve for x
    x = 135,748,299.26/11,429.42
  6. Step 6: Final answer
    x = 11,877.09

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1.5x scale

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.