Home / 17,526.49-26,287.57-7,138.33

Finding the Fourth Proportional to 17,526.49, 26,287.57 and 7,138.33

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Solution

The fourth proportional to 17,526.49, 26,287.57 and 7,138.33 is: 10,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,526.49 : 26,287.57 = 7,138.33 : x
  2. Step 2: Convert to fraction form
    17,526.49/26,287.57 = 7,138.33/x
  3. Step 3: Cross multiply
    17,526.49x = 26,287.57 × 7,138.33
  4. Step 4: Simplify right side
    17,526.49x = 187,649,349.56
  5. Step 5: Solve for x
    x = 187,649,349.56/17,526.49
  6. Step 6: Final answer
    x = 10,706.61

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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.