Home / 12,544.74-18,819.54-4,759.02

Finding the Fourth Proportional to 12,544.74, 18,819.54 and 4,759.02

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Solution

The fourth proportional to 12,544.74, 18,819.54 and 4,759.02 is: 7,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.74 : 18,819.54 = 4,759.02 : x
  2. Step 2: Convert to fraction form
    12,544.74/18,819.54 = 4,759.02/x
  3. Step 3: Cross multiply
    12,544.74x = 18,819.54 × 4,759.02
  4. Step 4: Simplify right side
    12,544.74x = 89,562,567.25
  5. Step 5: Solve for x
    x = 89,562,567.25/12,544.74
  6. Step 6: Final answer
    x = 7,139.45

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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.