Home / 18,453.39-27,681.64-5,806.05

Finding the Fourth Proportional to 18,453.39, 27,681.64 and 5,806.05

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Solution

The fourth proportional to 18,453.39, 27,681.64 and 5,806.05 is: 8,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.39 : 27,681.64 = 5,806.05 : x
  2. Step 2: Convert to fraction form
    18,453.39/27,681.64 = 5,806.05/x
  3. Step 3: Cross multiply
    18,453.39x = 27,681.64 × 5,806.05
  4. Step 4: Simplify right side
    18,453.39x = 160,720,985.92
  5. Step 5: Solve for x
    x = 160,720,985.92/18,453.39
  6. Step 6: Final answer
    x = 8,709.56

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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.