Home / 18,400.68-27,605.46-5,921.86

Finding the Fourth Proportional to 18,400.68, 27,605.46 and 5,921.86

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Solution

The fourth proportional to 18,400.68, 27,605.46 and 5,921.86 is: 8,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.68 : 27,605.46 = 5,921.86 : x
  2. Step 2: Convert to fraction form
    18,400.68/27,605.46 = 5,921.86/x
  3. Step 3: Cross multiply
    18,400.68x = 27,605.46 × 5,921.86
  4. Step 4: Simplify right side
    18,400.68x = 163,475,669.36
  5. Step 5: Solve for x
    x = 163,475,669.36/18,400.68
  6. Step 6: Final answer
    x = 8,884.22

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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.