Home / 20,056.76-30,085.20-6,908.96

Finding the Fourth Proportional to 20,056.76, 30,085.20 and 6,908.96

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Solution

The fourth proportional to 20,056.76, 30,085.20 and 6,908.96 is: 10,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.76 : 30,085.20 = 6,908.96 : x
  2. Step 2: Convert to fraction form
    20,056.76/30,085.20 = 6,908.96/x
  3. Step 3: Cross multiply
    20,056.76x = 30,085.20 × 6,908.96
  4. Step 4: Simplify right side
    20,056.76x = 207,857,443.39
  5. Step 5: Solve for x
    x = 207,857,443.39/20,056.76
  6. Step 6: Final answer
    x = 10,363.46

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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.