Home / 17,391.63-26,086.06-4,911.15

Finding the Fourth Proportional to 17,391.63, 26,086.06 and 4,911.15

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Solution

The fourth proportional to 17,391.63, 26,086.06 and 4,911.15 is: 7,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.63 : 26,086.06 = 4,911.15 : x
  2. Step 2: Convert to fraction form
    17,391.63/26,086.06 = 4,911.15/x
  3. Step 3: Cross multiply
    17,391.63x = 26,086.06 × 4,911.15
  4. Step 4: Simplify right side
    17,391.63x = 128,112,553.57
  5. Step 5: Solve for x
    x = 128,112,553.57/17,391.63
  6. Step 6: Final answer
    x = 7,366.33

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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.