Home / 20,601.48-30,903.45-5,811.66

Finding the Fourth Proportional to 20,601.48, 30,903.45 and 5,811.66

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Solution

The fourth proportional to 20,601.48, 30,903.45 and 5,811.66 is: 8,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.48 : 30,903.45 = 5,811.66 : x
  2. Step 2: Convert to fraction form
    20,601.48/30,903.45 = 5,811.66/x
  3. Step 3: Cross multiply
    20,601.48x = 30,903.45 × 5,811.66
  4. Step 4: Simplify right side
    20,601.48x = 179,600,344.23
  5. Step 5: Solve for x
    x = 179,600,344.23/20,601.48
  6. Step 6: Final answer
    x = 8,717.84

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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.