Home / 13,530.07-20,297.13-4,169.31

Finding the Fourth Proportional to 13,530.07, 20,297.13 and 4,169.31

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Solution

The fourth proportional to 13,530.07, 20,297.13 and 4,169.31 is: 6,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.07 : 20,297.13 = 4,169.31 : x
  2. Step 2: Convert to fraction form
    13,530.07/20,297.13 = 4,169.31/x
  3. Step 3: Cross multiply
    13,530.07x = 20,297.13 × 4,169.31
  4. Step 4: Simplify right side
    13,530.07x = 84,624,935.33
  5. Step 5: Solve for x
    x = 84,624,935.33/13,530.07
  6. Step 6: Final answer
    x = 6,254.58

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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.