Home / 12,586.26-17,369.28-6,921.27

Finding the Fourth Proportional to 12,586.26, 17,369.28 and 6,921.27

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Solution

The fourth proportional to 12,586.26, 17,369.28 and 6,921.27 is: 9,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.26 : 17,369.28 = 6,921.27 : x
  2. Step 2: Convert to fraction form
    12,586.26/17,369.28 = 6,921.27/x
  3. Step 3: Cross multiply
    12,586.26x = 17,369.28 × 6,921.27
  4. Step 4: Simplify right side
    12,586.26x = 120,217,476.59
  5. Step 5: Solve for x
    x = 120,217,476.59/12,586.26
  6. Step 6: Final answer
    x = 9,551.49

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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.