Home / 12,537.55-18,806.34-3,177.56

Finding the Fourth Proportional to 12,537.55, 18,806.34 and 3,177.56

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Solution

The fourth proportional to 12,537.55, 18,806.34 and 3,177.56 is: 4,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.55 : 18,806.34 = 3,177.56 : x
  2. Step 2: Convert to fraction form
    12,537.55/18,806.34 = 3,177.56/x
  3. Step 3: Cross multiply
    12,537.55x = 18,806.34 × 3,177.56
  4. Step 4: Simplify right side
    12,537.55x = 59,758,332.66
  5. Step 5: Solve for x
    x = 59,758,332.66/12,537.55
  6. Step 6: Final answer
    x = 4,766.35

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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.