Home / 20,484.24-30,738.29-8,637.27

Finding the Fourth Proportional to 20,484.24, 30,738.29 and 8,637.27

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Solution

The fourth proportional to 20,484.24, 30,738.29 and 8,637.27 is: 12,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.24 : 30,738.29 = 8,637.27 : x
  2. Step 2: Convert to fraction form
    20,484.24/30,738.29 = 8,637.27/x
  3. Step 3: Cross multiply
    20,484.24x = 30,738.29 × 8,637.27
  4. Step 4: Simplify right side
    20,484.24x = 265,494,866.88
  5. Step 5: Solve for x
    x = 265,494,866.88/20,484.24
  6. Step 6: Final answer
    x = 12,960.93

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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.