Home / 17,649.45-26,411.67-12,958.34

Finding the Fourth Proportional to 17,649.45, 26,411.67 and 12,958.34

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Solution

The fourth proportional to 17,649.45, 26,411.67 and 12,958.34 is: 19,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.45 : 26,411.67 = 12,958.34 : x
  2. Step 2: Convert to fraction form
    17,649.45/26,411.67 = 12,958.34/x
  3. Step 3: Cross multiply
    17,649.45x = 26,411.67 × 12,958.34
  4. Step 4: Simplify right side
    17,649.45x = 342,251,267.77
  5. Step 5: Solve for x
    x = 342,251,267.77/17,649.45
  6. Step 6: Final answer
    x = 19,391.61

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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.