Home / 21,265.50-29,346.39-11,834.67

Finding the Fourth Proportional to 21,265.50, 29,346.39 and 11,834.67

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Solution

The fourth proportional to 21,265.50, 29,346.39 and 11,834.67 is: 16,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.50 : 29,346.39 = 11,834.67 : x
  2. Step 2: Convert to fraction form
    21,265.50/29,346.39 = 11,834.67/x
  3. Step 3: Cross multiply
    21,265.50x = 29,346.39 × 11,834.67
  4. Step 4: Simplify right side
    21,265.50x = 347,304,841.34
  5. Step 5: Solve for x
    x = 347,304,841.34/21,265.50
  6. Step 6: Final answer
    x = 16,331.84

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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.