Home / 13,509.22-20,269.66-7,261.92

Finding the Fourth Proportional to 13,509.22, 20,269.66 and 7,261.92

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Solution

The fourth proportional to 13,509.22, 20,269.66 and 7,261.92 is: 10,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.22 : 20,269.66 = 7,261.92 : x
  2. Step 2: Convert to fraction form
    13,509.22/20,269.66 = 7,261.92/x
  3. Step 3: Cross multiply
    13,509.22x = 20,269.66 × 7,261.92
  4. Step 4: Simplify right side
    13,509.22x = 147,196,649.35
  5. Step 5: Solve for x
    x = 147,196,649.35/13,509.22
  6. Step 6: Final answer
    x = 10,896.01

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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.