Home / 17,846.20-26,743.70-13,129.40

Finding the Fourth Proportional to 17,846.20, 26,743.70 and 13,129.40

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Solution

The fourth proportional to 17,846.20, 26,743.70 and 13,129.40 is: 19,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,846.20 : 26,743.70 = 13,129.40 : x
  2. Step 2: Convert to fraction form
    17,846.20/26,743.70 = 13,129.40/x
  3. Step 3: Cross multiply
    17,846.20x = 26,743.70 × 13,129.40
  4. Step 4: Simplify right side
    17,846.20x = 351,128,734.78
  5. Step 5: Solve for x
    x = 351,128,734.78/17,846.20
  6. Step 6: Final answer
    x = 19,675.27

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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.