Home / 18,359.24-27,538.80-5,211.63

Finding the Fourth Proportional to 18,359.24, 27,538.80 and 5,211.63

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Solution

The fourth proportional to 18,359.24, 27,538.80 and 5,211.63 is: 7,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.24 : 27,538.80 = 5,211.63 : x
  2. Step 2: Convert to fraction form
    18,359.24/27,538.80 = 5,211.63/x
  3. Step 3: Cross multiply
    18,359.24x = 27,538.80 × 5,211.63
  4. Step 4: Simplify right side
    18,359.24x = 143,522,036.24
  5. Step 5: Solve for x
    x = 143,522,036.24/18,359.24
  6. Step 6: Final answer
    x = 7,817.43

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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.