Home / 19,170.45-26,459.87-12,797.37

Finding the Fourth Proportional to 19,170.45, 26,459.87 and 12,797.37

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Solution

The fourth proportional to 19,170.45, 26,459.87 and 12,797.37 is: 17,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.45 : 26,459.87 = 12,797.37 : x
  2. Step 2: Convert to fraction form
    19,170.45/26,459.87 = 12,797.37/x
  3. Step 3: Cross multiply
    19,170.45x = 26,459.87 × 12,797.37
  4. Step 4: Simplify right side
    19,170.45x = 338,616,682.56
  5. Step 5: Solve for x
    x = 338,616,682.56/19,170.45
  6. Step 6: Final answer
    x = 17,663.47

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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.