Home / 13,559.74-20,337.05-4,198.36

Finding the Fourth Proportional to 13,559.74, 20,337.05 and 4,198.36

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Solution

The fourth proportional to 13,559.74, 20,337.05 and 4,198.36 is: 6,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.74 : 20,337.05 = 4,198.36 : x
  2. Step 2: Convert to fraction form
    13,559.74/20,337.05 = 4,198.36/x
  3. Step 3: Cross multiply
    13,559.74x = 20,337.05 × 4,198.36
  4. Step 4: Simplify right side
    13,559.74x = 85,382,186.02
  5. Step 5: Solve for x
    x = 85,382,186.02/13,559.74
  6. Step 6: Final answer
    x = 6,296.74

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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.