Home / 13,084.36-18,063.09-8,857.76

Finding the Fourth Proportional to 13,084.36, 18,063.09 and 8,857.76

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Solution

The fourth proportional to 13,084.36, 18,063.09 and 8,857.76 is: 12,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.36 : 18,063.09 = 8,857.76 : x
  2. Step 2: Convert to fraction form
    13,084.36/18,063.09 = 8,857.76/x
  3. Step 3: Cross multiply
    13,084.36x = 18,063.09 × 8,857.76
  4. Step 4: Simplify right side
    13,084.36x = 159,998,425.76
  5. Step 5: Solve for x
    x = 159,998,425.76/13,084.36
  6. Step 6: Final answer
    x = 12,228.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.