Home / 17,639.07-26,453.13-7,108.66

Finding the Fourth Proportional to 17,639.07, 26,453.13 and 7,108.66

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Solution

The fourth proportional to 17,639.07, 26,453.13 and 7,108.66 is: 10,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.07 : 26,453.13 = 7,108.66 : x
  2. Step 2: Convert to fraction form
    17,639.07/26,453.13 = 7,108.66/x
  3. Step 3: Cross multiply
    17,639.07x = 26,453.13 × 7,108.66
  4. Step 4: Simplify right side
    17,639.07x = 188,046,353.50
  5. Step 5: Solve for x
    x = 188,046,353.50/17,639.07
  6. Step 6: Final answer
    x = 10,660.79

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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.