Home / 19,469.13-26,835.84-15,212.76

Finding the Fourth Proportional to 19,469.13, 26,835.84 and 15,212.76

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Solution

The fourth proportional to 19,469.13, 26,835.84 and 15,212.76 is: 20,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.13 : 26,835.84 = 15,212.76 : x
  2. Step 2: Convert to fraction form
    19,469.13/26,835.84 = 15,212.76/x
  3. Step 3: Cross multiply
    19,469.13x = 26,835.84 × 15,212.76
  4. Step 4: Simplify right side
    19,469.13x = 408,247,193.32
  5. Step 5: Solve for x
    x = 408,247,193.32/19,469.13
  6. Step 6: Final answer
    x = 20,968.95

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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.