Home / 18,237.21-27,359.61-7,707.24

Finding the Fourth Proportional to 18,237.21, 27,359.61 and 7,707.24

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Solution

The fourth proportional to 18,237.21, 27,359.61 and 7,707.24 is: 11,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.21 : 27,359.61 = 7,707.24 : x
  2. Step 2: Convert to fraction form
    18,237.21/27,359.61 = 7,707.24/x
  3. Step 3: Cross multiply
    18,237.21x = 27,359.61 × 7,707.24
  4. Step 4: Simplify right side
    18,237.21x = 210,867,080.58
  5. Step 5: Solve for x
    x = 210,867,080.58/18,237.21
  6. Step 6: Final answer
    x = 11,562.46

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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.