Home / 13,621.77-20,403.93-6,232.44

Finding the Fourth Proportional to 13,621.77, 20,403.93 and 6,232.44

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Solution

The fourth proportional to 13,621.77, 20,403.93 and 6,232.44 is: 9,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.77 : 20,403.93 = 6,232.44 : x
  2. Step 2: Convert to fraction form
    13,621.77/20,403.93 = 6,232.44/x
  3. Step 3: Cross multiply
    13,621.77x = 20,403.93 × 6,232.44
  4. Step 4: Simplify right side
    13,621.77x = 127,166,269.49
  5. Step 5: Solve for x
    x = 127,166,269.49/13,621.77
  6. Step 6: Final answer
    x = 9,335.52

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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.