Home / 13,635.42-20,453.38-4,275.23

Finding the Fourth Proportional to 13,635.42, 20,453.38 and 4,275.23

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Solution

The fourth proportional to 13,635.42, 20,453.38 and 4,275.23 is: 6,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.42 : 20,453.38 = 4,275.23 : x
  2. Step 2: Convert to fraction form
    13,635.42/20,453.38 = 4,275.23/x
  3. Step 3: Cross multiply
    13,635.42x = 20,453.38 × 4,275.23
  4. Step 4: Simplify right side
    13,635.42x = 87,442,790.82
  5. Step 5: Solve for x
    x = 87,442,790.82/13,635.42
  6. Step 6: Final answer
    x = 6,412.92

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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.