Home / 20,593.98-30,886.25-12,276.36

Finding the Fourth Proportional to 20,593.98, 30,886.25 and 12,276.36

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Solution

The fourth proportional to 20,593.98, 30,886.25 and 12,276.36 is: 18,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.98 : 30,886.25 = 12,276.36 : x
  2. Step 2: Convert to fraction form
    20,593.98/30,886.25 = 12,276.36/x
  3. Step 3: Cross multiply
    20,593.98x = 30,886.25 × 12,276.36
  4. Step 4: Simplify right side
    20,593.98x = 379,170,662.67
  5. Step 5: Solve for x
    x = 379,170,662.67/20,593.98
  6. Step 6: Final answer
    x = 18,411.72

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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.