Home / 17,828.28-26,738.10-7,434.36

Finding the Fourth Proportional to 17,828.28, 26,738.10 and 7,434.36

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Solution

The fourth proportional to 17,828.28, 26,738.10 and 7,434.36 is: 11,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.28 : 26,738.10 = 7,434.36 : x
  2. Step 2: Convert to fraction form
    17,828.28/26,738.10 = 7,434.36/x
  3. Step 3: Cross multiply
    17,828.28x = 26,738.10 × 7,434.36
  4. Step 4: Simplify right side
    17,828.28x = 198,780,661.12
  5. Step 5: Solve for x
    x = 198,780,661.12/17,828.28
  6. Step 6: Final answer
    x = 11,149.74

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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.