Home / 18,509.52-27,768.96-5,362.80

Finding the Fourth Proportional to 18,509.52, 27,768.96 and 5,362.80

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Solution

The fourth proportional to 18,509.52, 27,768.96 and 5,362.80 is: 8,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.52 : 27,768.96 = 5,362.80 : x
  2. Step 2: Convert to fraction form
    18,509.52/27,768.96 = 5,362.80/x
  3. Step 3: Cross multiply
    18,509.52x = 27,768.96 × 5,362.80
  4. Step 4: Simplify right side
    18,509.52x = 148,919,378.69
  5. Step 5: Solve for x
    x = 148,919,378.69/18,509.52
  6. Step 6: Final answer
    x = 8,045.56

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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.