Home / 14,689.96-20,254.26-12,794.56

Finding the Fourth Proportional to 14,689.96, 20,254.26 and 12,794.56

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Solution

The fourth proportional to 14,689.96, 20,254.26 and 12,794.56 is: 17,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.96 : 20,254.26 = 12,794.56 : x
  2. Step 2: Convert to fraction form
    14,689.96/20,254.26 = 12,794.56/x
  3. Step 3: Cross multiply
    14,689.96x = 20,254.26 × 12,794.56
  4. Step 4: Simplify right side
    14,689.96x = 259,144,344.83
  5. Step 5: Solve for x
    x = 259,144,344.83/14,689.96
  6. Step 6: Final answer
    x = 17,640.92

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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.