Home / 12,573.96-18,860.34-3,809.55

Finding the Fourth Proportional to 12,573.96, 18,860.34 and 3,809.55

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Solution

The fourth proportional to 12,573.96, 18,860.34 and 3,809.55 is: 5,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.96 : 18,860.34 = 3,809.55 : x
  2. Step 2: Convert to fraction form
    12,573.96/18,860.34 = 3,809.55/x
  3. Step 3: Cross multiply
    12,573.96x = 18,860.34 × 3,809.55
  4. Step 4: Simplify right side
    12,573.96x = 71,849,408.25
  5. Step 5: Solve for x
    x = 71,849,408.25/12,573.96
  6. Step 6: Final answer
    x = 5,714.14

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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.