Home / 13,530.32-20,297.50-4,169.56

Finding the Fourth Proportional to 13,530.32, 20,297.50 and 4,169.56

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Solution

The fourth proportional to 13,530.32, 20,297.50 and 4,169.56 is: 6,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.32 : 20,297.50 = 4,169.56 : x
  2. Step 2: Convert to fraction form
    13,530.32/20,297.50 = 4,169.56/x
  3. Step 3: Cross multiply
    13,530.32x = 20,297.50 × 4,169.56
  4. Step 4: Simplify right side
    13,530.32x = 84,631,644.10
  5. Step 5: Solve for x
    x = 84,631,644.10/13,530.32
  6. Step 6: Final answer
    x = 6,254.96

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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.