Home / 13,506.32-20,261.52-6,485.01

Finding the Fourth Proportional to 13,506.32, 20,261.52 and 6,485.01

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Solution

The fourth proportional to 13,506.32, 20,261.52 and 6,485.01 is: 9,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.32 : 20,261.52 = 6,485.01 : x
  2. Step 2: Convert to fraction form
    13,506.32/20,261.52 = 6,485.01/x
  3. Step 3: Cross multiply
    13,506.32x = 20,261.52 × 6,485.01
  4. Step 4: Simplify right side
    13,506.32x = 131,396,179.57
  5. Step 5: Solve for x
    x = 131,396,179.57/13,506.32
  6. Step 6: Final answer
    x = 9,728.50

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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.