Home / 13,477.26-20,203.38-6,888.90

Finding the Fourth Proportional to 13,477.26, 20,203.38 and 6,888.90

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Solution

The fourth proportional to 13,477.26, 20,203.38 and 6,888.90 is: 10,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.26 : 20,203.38 = 6,888.90 : x
  2. Step 2: Convert to fraction form
    13,477.26/20,203.38 = 6,888.90/x
  3. Step 3: Cross multiply
    13,477.26x = 20,203.38 × 6,888.90
  4. Step 4: Simplify right side
    13,477.26x = 139,179,064.48
  5. Step 5: Solve for x
    x = 139,179,064.48/13,477.26
  6. Step 6: Final answer
    x = 10,326.96

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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.