Home / 11,136.08-15,332.82-9,454

Finding the Fourth Proportional to 11,136.08, 15,332.82 and 9,454

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Solution

The fourth proportional to 11,136.08, 15,332.82 and 9,454 is: 13,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.08 : 15,332.82 = 9,454 : x
  2. Step 2: Convert to fraction form
    11,136.08/15,332.82 = 9,454/x
  3. Step 3: Cross multiply
    11,136.08x = 15,332.82 × 9,454
  4. Step 4: Simplify right side
    11,136.08x = 144,956,480.28
  5. Step 5: Solve for x
    x = 144,956,480.28/11,136.08
  6. Step 6: Final answer
    x = 13,016.83

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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.