Home / 18,238.15-27,352.36-5,088.21

Finding the Fourth Proportional to 18,238.15, 27,352.36 and 5,088.21

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Solution

The fourth proportional to 18,238.15, 27,352.36 and 5,088.21 is: 7,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.15 : 27,352.36 = 5,088.21 : x
  2. Step 2: Convert to fraction form
    18,238.15/27,352.36 = 5,088.21/x
  3. Step 3: Cross multiply
    18,238.15x = 27,352.36 × 5,088.21
  4. Step 4: Simplify right side
    18,238.15x = 139,174,551.68
  5. Step 5: Solve for x
    x = 139,174,551.68/18,238.15
  6. Step 6: Final answer
    x = 7,630.96

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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.