Home / 18,359.56-27,502.38-8,485.24

Finding the Fourth Proportional to 18,359.56, 27,502.38 and 8,485.24

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Solution

The fourth proportional to 18,359.56, 27,502.38 and 8,485.24 is: 12,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.56 : 27,502.38 = 8,485.24 : x
  2. Step 2: Convert to fraction form
    18,359.56/27,502.38 = 8,485.24/x
  3. Step 3: Cross multiply
    18,359.56x = 27,502.38 × 8,485.24
  4. Step 4: Simplify right side
    18,359.56x = 233,364,294.87
  5. Step 5: Solve for x
    x = 233,364,294.87/18,359.56
  6. Step 6: Final answer
    x = 12,710.78

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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.