Home / 18,239.15-27,353.86-5,089.21

Finding the Fourth Proportional to 18,239.15, 27,353.86 and 5,089.21

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Solution

The fourth proportional to 18,239.15, 27,353.86 and 5,089.21 is: 7,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.15 : 27,353.86 = 5,089.21 : x
  2. Step 2: Convert to fraction form
    18,239.15/27,353.86 = 5,089.21/x
  3. Step 3: Cross multiply
    18,239.15x = 27,353.86 × 5,089.21
  4. Step 4: Simplify right side
    18,239.15x = 139,209,537.85
  5. Step 5: Solve for x
    x = 139,209,537.85/18,239.15
  6. Step 6: Final answer
    x = 7,632.46

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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.