Home / 21,265.28-29,346.54-11,834.45

Finding the Fourth Proportional to 21,265.28, 29,346.54 and 11,834.45

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Solution

The fourth proportional to 21,265.28, 29,346.54 and 11,834.45 is: 16,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.28 : 29,346.54 = 11,834.45 : x
  2. Step 2: Convert to fraction form
    21,265.28/29,346.54 = 11,834.45/x
  3. Step 3: Cross multiply
    21,265.28x = 29,346.54 × 11,834.45
  4. Step 4: Simplify right side
    21,265.28x = 347,300,160.30
  5. Step 5: Solve for x
    x = 347,300,160.30/21,265.28
  6. Step 6: Final answer
    x = 16,331.79

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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.