Home / 19,147.44-26,405.64-12,425.88

Finding the Fourth Proportional to 19,147.44, 26,405.64 and 12,425.88

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Solution

The fourth proportional to 19,147.44, 26,405.64 and 12,425.88 is: 17,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.44 : 26,405.64 = 12,425.88 : x
  2. Step 2: Convert to fraction form
    19,147.44/26,405.64 = 12,425.88/x
  3. Step 3: Cross multiply
    19,147.44x = 26,405.64 × 12,425.88
  4. Step 4: Simplify right side
    19,147.44x = 328,113,313.96
  5. Step 5: Solve for x
    x = 328,113,313.96/19,147.44
  6. Step 6: Final answer
    x = 17,136.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.