Home / 12,572.34-18,858.50-3,212.37

Finding the Fourth Proportional to 12,572.34, 18,858.50 and 3,212.37

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Solution

The fourth proportional to 12,572.34, 18,858.50 and 3,212.37 is: 4,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.34 : 18,858.50 = 3,212.37 : x
  2. Step 2: Convert to fraction form
    12,572.34/18,858.50 = 3,212.37/x
  3. Step 3: Cross multiply
    12,572.34x = 18,858.50 × 3,212.37
  4. Step 4: Simplify right side
    12,572.34x = 60,580,558.40
  5. Step 5: Solve for x
    x = 60,580,558.40/12,572.34
  6. Step 6: Final answer
    x = 4,818.56

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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.