Home / 13,655.25-20,485.22-6,260.35

Finding the Fourth Proportional to 13,655.25, 20,485.22 and 6,260.35

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Solution

The fourth proportional to 13,655.25, 20,485.22 and 6,260.35 is: 9,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.25 : 20,485.22 = 6,260.35 : x
  2. Step 2: Convert to fraction form
    13,655.25/20,485.22 = 6,260.35/x
  3. Step 3: Cross multiply
    13,655.25x = 20,485.22 × 6,260.35
  4. Step 4: Simplify right side
    13,655.25x = 128,244,544.60
  5. Step 5: Solve for x
    x = 128,244,544.60/13,655.25
  6. Step 6: Final answer
    x = 9,391.59

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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.