Home / 11,106.97-16,641.02-6,480.25

Finding the Fourth Proportional to 11,106.97, 16,641.02 and 6,480.25

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Solution

The fourth proportional to 11,106.97, 16,641.02 and 6,480.25 is: 9,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.97 : 16,641.02 = 6,480.25 : x
  2. Step 2: Convert to fraction form
    11,106.97/16,641.02 = 6,480.25/x
  3. Step 3: Cross multiply
    11,106.97x = 16,641.02 × 6,480.25
  4. Step 4: Simplify right side
    11,106.97x = 107,837,937.45
  5. Step 5: Solve for x
    x = 107,837,937.45/11,106.97
  6. Step 6: Final answer
    x = 9,709.03

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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.