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Finding the Fourth Proportional to 20,602, 30,901.56 and 10,746.84

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Solution

The fourth proportional to 20,602, 30,901.56 and 10,746.84 is: 16,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602 : 30,901.56 = 10,746.84 : x
  2. Step 2: Convert to fraction form
    20,602/30,901.56 = 10,746.84/x
  3. Step 3: Cross multiply
    20,602x = 30,901.56 × 10,746.84
  4. Step 4: Simplify right side
    20,602x = 332,094,121.07
  5. Step 5: Solve for x
    x = 332,094,121.07/20,602
  6. Step 6: Final answer
    x = 16,119.51

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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.