Home / 13,146.64-19,707.40-4,375.44

Finding the Fourth Proportional to 13,146.64, 19,707.40 and 4,375.44

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Solution

The fourth proportional to 13,146.64, 19,707.40 and 4,375.44 is: 6,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.64 : 19,707.40 = 4,375.44 : x
  2. Step 2: Convert to fraction form
    13,146.64/19,707.40 = 4,375.44/x
  3. Step 3: Cross multiply
    13,146.64x = 19,707.40 × 4,375.44
  4. Step 4: Simplify right side
    13,146.64x = 86,228,546.26
  5. Step 5: Solve for x
    x = 86,228,546.26/13,146.64
  6. Step 6: Final answer
    x = 6,558.98

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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.