Home / 12,340.54-18,511.53-3,575.26

Finding the Fourth Proportional to 12,340.54, 18,511.53 and 3,575.26

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Solution

The fourth proportional to 12,340.54, 18,511.53 and 3,575.26 is: 5,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.54 : 18,511.53 = 3,575.26 : x
  2. Step 2: Convert to fraction form
    12,340.54/18,511.53 = 3,575.26/x
  3. Step 3: Cross multiply
    12,340.54x = 18,511.53 × 3,575.26
  4. Step 4: Simplify right side
    12,340.54x = 66,183,532.75
  5. Step 5: Solve for x
    x = 66,183,532.75/12,340.54
  6. Step 6: Final answer
    x = 5,363.10

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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.