Home / 18,156.36-27,196.24-8,303.92

Finding the Fourth Proportional to 18,156.36, 27,196.24 and 8,303.92

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Solution

The fourth proportional to 18,156.36, 27,196.24 and 8,303.92 is: 12,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.36 : 27,196.24 = 8,303.92 : x
  2. Step 2: Convert to fraction form
    18,156.36/27,196.24 = 8,303.92/x
  3. Step 3: Cross multiply
    18,156.36x = 27,196.24 × 8,303.92
  4. Step 4: Simplify right side
    18,156.36x = 225,835,401.26
  5. Step 5: Solve for x
    x = 225,835,401.26/18,156.36
  6. Step 6: Final answer
    x = 12,438.36

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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.