Home / 20,573.19-30,871.02-8,725.12

Finding the Fourth Proportional to 20,573.19, 30,871.02 and 8,725.12

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Solution

The fourth proportional to 20,573.19, 30,871.02 and 8,725.12 is: 13,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.19 : 30,871.02 = 8,725.12 : x
  2. Step 2: Convert to fraction form
    20,573.19/30,871.02 = 8,725.12/x
  3. Step 3: Cross multiply
    20,573.19x = 30,871.02 × 8,725.12
  4. Step 4: Simplify right side
    20,573.19x = 269,353,309.56
  5. Step 5: Solve for x
    x = 269,353,309.56/20,573.19
  6. Step 6: Final answer
    x = 13,092.44

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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.