Home / 17,661.02-26,491.46-11,091.78

Finding the Fourth Proportional to 17,661.02, 26,491.46 and 11,091.78

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Solution

The fourth proportional to 17,661.02, 26,491.46 and 11,091.78 is: 16,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.02 : 26,491.46 = 11,091.78 : x
  2. Step 2: Convert to fraction form
    17,661.02/26,491.46 = 11,091.78/x
  3. Step 3: Cross multiply
    17,661.02x = 26,491.46 × 11,091.78
  4. Step 4: Simplify right side
    17,661.02x = 293,837,390.74
  5. Step 5: Solve for x
    x = 293,837,390.74/17,661.02
  6. Step 6: Final answer
    x = 16,637.63

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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.