Home / 11,358.45-16,961.13-9,282.51

Finding the Fourth Proportional to 11,358.45, 16,961.13 and 9,282.51

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Solution

The fourth proportional to 11,358.45, 16,961.13 and 9,282.51 is: 13,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.45 : 16,961.13 = 9,282.51 : x
  2. Step 2: Convert to fraction form
    11,358.45/16,961.13 = 9,282.51/x
  3. Step 3: Cross multiply
    11,358.45x = 16,961.13 × 9,282.51
  4. Step 4: Simplify right side
    11,358.45x = 157,441,858.84
  5. Step 5: Solve for x
    x = 157,441,858.84/11,358.45
  6. Step 6: Final answer
    x = 13,861.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.