Home / 18,236.36-27,354.54-4,385.36

Finding the Fourth Proportional to 18,236.36, 27,354.54 and 4,385.36

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Solution

The fourth proportional to 18,236.36, 27,354.54 and 4,385.36 is: 6,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.36 : 27,354.54 = 4,385.36 : x
  2. Step 2: Convert to fraction form
    18,236.36/27,354.54 = 4,385.36/x
  3. Step 3: Cross multiply
    18,236.36x = 27,354.54 × 4,385.36
  4. Step 4: Simplify right side
    18,236.36x = 119,959,368.76
  5. Step 5: Solve for x
    x = 119,959,368.76/18,236.36
  6. Step 6: Final answer
    x = 6,578.03

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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.