Home / 13,507.08-20,261.25-4,146.72

Finding the Fourth Proportional to 13,507.08, 20,261.25 and 4,146.72

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Solution

The fourth proportional to 13,507.08, 20,261.25 and 4,146.72 is: 6,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.08 : 20,261.25 = 4,146.72 : x
  2. Step 2: Convert to fraction form
    13,507.08/20,261.25 = 4,146.72/x
  3. Step 3: Cross multiply
    13,507.08x = 20,261.25 × 4,146.72
  4. Step 4: Simplify right side
    13,507.08x = 84,017,730.60
  5. Step 5: Solve for x
    x = 84,017,730.60/13,507.08
  6. Step 6: Final answer
    x = 6,220.27

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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.