Home / 12,592.60-18,887.78-4,272.42

Finding the Fourth Proportional to 12,592.60, 18,887.78 and 4,272.42

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Solution

The fourth proportional to 12,592.60, 18,887.78 and 4,272.42 is: 6,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.60 : 18,887.78 = 4,272.42 : x
  2. Step 2: Convert to fraction form
    12,592.60/18,887.78 = 4,272.42/x
  3. Step 3: Cross multiply
    12,592.60x = 18,887.78 × 4,272.42
  4. Step 4: Simplify right side
    12,592.60x = 80,696,529.03
  5. Step 5: Solve for x
    x = 80,696,529.03/12,592.60
  6. Step 6: Final answer
    x = 6,408.25

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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.