Home / 18,286.47-27,426.90-5,804.87

Finding the Fourth Proportional to 18,286.47, 27,426.90 and 5,804.87

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Solution

The fourth proportional to 18,286.47, 27,426.90 and 5,804.87 is: 8,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.47 : 27,426.90 = 5,804.87 : x
  2. Step 2: Convert to fraction form
    18,286.47/27,426.90 = 5,804.87/x
  3. Step 3: Cross multiply
    18,286.47x = 27,426.90 × 5,804.87
  4. Step 4: Simplify right side
    18,286.47x = 159,209,451.87
  5. Step 5: Solve for x
    x = 159,209,451.87/18,286.47
  6. Step 6: Final answer
    x = 8,706.41

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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.