Home / 15,771.30-23,628.15-12,833.70

Finding the Fourth Proportional to 15,771.30, 23,628.15 and 12,833.70

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Solution

The fourth proportional to 15,771.30, 23,628.15 and 12,833.70 is: 19,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.30 : 23,628.15 = 12,833.70 : x
  2. Step 2: Convert to fraction form
    15,771.30/23,628.15 = 12,833.70/x
  3. Step 3: Cross multiply
    15,771.30x = 23,628.15 × 12,833.70
  4. Step 4: Simplify right side
    15,771.30x = 303,236,588.66
  5. Step 5: Solve for x
    x = 303,236,588.66/15,771.30
  6. Step 6: Final answer
    x = 19,227.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.