Home / 18,141.57-27,213.37-5,663.32

Finding the Fourth Proportional to 18,141.57, 27,213.37 and 5,663.32

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Solution

The fourth proportional to 18,141.57, 27,213.37 and 5,663.32 is: 8,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.57 : 27,213.37 = 5,663.32 : x
  2. Step 2: Convert to fraction form
    18,141.57/27,213.37 = 5,663.32/x
  3. Step 3: Cross multiply
    18,141.57x = 27,213.37 × 5,663.32
  4. Step 4: Simplify right side
    18,141.57x = 154,117,940.40
  5. Step 5: Solve for x
    x = 154,117,940.40/18,141.57
  6. Step 6: Final answer
    x = 8,495.29

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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.