Home / 12,511.20-18,767.04-5,584.32

Finding the Fourth Proportional to 12,511.20, 18,767.04 and 5,584.32

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Solution

The fourth proportional to 12,511.20, 18,767.04 and 5,584.32 is: 8,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.20 : 18,767.04 = 5,584.32 : x
  2. Step 2: Convert to fraction form
    12,511.20/18,767.04 = 5,584.32/x
  3. Step 3: Cross multiply
    12,511.20x = 18,767.04 × 5,584.32
  4. Step 4: Simplify right side
    12,511.20x = 104,801,156.81
  5. Step 5: Solve for x
    x = 104,801,156.81/12,511.20
  6. Step 6: Final answer
    x = 8,376.59

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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.