Home / 13,540.42-20,303.19-4,177.89

Finding the Fourth Proportional to 13,540.42, 20,303.19 and 4,177.89

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Solution

The fourth proportional to 13,540.42, 20,303.19 and 4,177.89 is: 6,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.42 : 20,303.19 = 4,177.89 : x
  2. Step 2: Convert to fraction form
    13,540.42/20,303.19 = 4,177.89/x
  3. Step 3: Cross multiply
    13,540.42x = 20,303.19 × 4,177.89
  4. Step 4: Simplify right side
    13,540.42x = 84,824,418.33
  5. Step 5: Solve for x
    x = 84,824,418.33/13,540.42
  6. Step 6: Final answer
    x = 6,264.53

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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.