Home / 12,743.08-19,110.04-4,420.88

Finding the Fourth Proportional to 12,743.08, 19,110.04 and 4,420.88

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Solution

The fourth proportional to 12,743.08, 19,110.04 and 4,420.88 is: 6,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.08 : 19,110.04 = 4,420.88 : x
  2. Step 2: Convert to fraction form
    12,743.08/19,110.04 = 4,420.88/x
  3. Step 3: Cross multiply
    12,743.08x = 19,110.04 × 4,420.88
  4. Step 4: Simplify right side
    12,743.08x = 84,483,193.64
  5. Step 5: Solve for x
    x = 84,483,193.64/12,743.08
  6. Step 6: Final answer
    x = 6,629.73

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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.