Home / 13,529.20-20,293.44-6,128.32

Finding the Fourth Proportional to 13,529.20, 20,293.44 and 6,128.32

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Solution

The fourth proportional to 13,529.20, 20,293.44 and 6,128.32 is: 9,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.20 : 20,293.44 = 6,128.32 : x
  2. Step 2: Convert to fraction form
    13,529.20/20,293.44 = 6,128.32/x
  3. Step 3: Cross multiply
    13,529.20x = 20,293.44 × 6,128.32
  4. Step 4: Simplify right side
    13,529.20x = 124,364,694.22
  5. Step 5: Solve for x
    x = 124,364,694.22/13,529.20
  6. Step 6: Final answer
    x = 9,192.32

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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.