Home / 21,267.50-29,349.15-11,836.67

Finding the Fourth Proportional to 21,267.50, 29,349.15 and 11,836.67

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Solution

The fourth proportional to 21,267.50, 29,349.15 and 11,836.67 is: 16,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.50 : 29,349.15 = 11,836.67 : x
  2. Step 2: Convert to fraction form
    21,267.50/29,349.15 = 11,836.67/x
  3. Step 3: Cross multiply
    21,267.50x = 29,349.15 × 11,836.67
  4. Step 4: Simplify right side
    21,267.50x = 347,396,203.33
  5. Step 5: Solve for x
    x = 347,396,203.33/21,267.50
  6. Step 6: Final answer
    x = 16,334.60

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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.