Home / 18,343.36-27,511.12-5,192.20

Finding the Fourth Proportional to 18,343.36, 27,511.12 and 5,192.20

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Solution

The fourth proportional to 18,343.36, 27,511.12 and 5,192.20 is: 7,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.36 : 27,511.12 = 5,192.20 : x
  2. Step 2: Convert to fraction form
    18,343.36/27,511.12 = 5,192.20/x
  3. Step 3: Cross multiply
    18,343.36x = 27,511.12 × 5,192.20
  4. Step 4: Simplify right side
    18,343.36x = 142,843,237.26
  5. Step 5: Solve for x
    x = 142,843,237.26/18,343.36
  6. Step 6: Final answer
    x = 7,787.19

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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.